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dbc97bfd3918ed9268bfc174cae8a7d6b3d51aad
linux/drivers/video/fbdev
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Igor Matheus Andrade Torrente dc13cac486 video: hgafb: fix potential NULL pointer dereference 
The return of ioremap if not checked, and can lead to a NULL to be
assigned to hga_vram. Potentially leading to a NULL pointer
dereference.

The fix adds code to deal with this case in the error label and
changes how the hgafb_probe handles the return of hga_card_detect.

Cc: Ferenc Bakonyi <fero@drama.obuda.kando.hu>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Igor Matheus Andrade Torrente <igormtorrente@gmail.com>
Link: https://lore.kernel.org/r/20210503115736.2104747-40-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-13 17:33:55 +02:00
..
aty
fbdev: atyfb: use LCD management functions for PPC_PMAC also
2021-03-11 11:11:32 +01:00
core
fbmem: fix horribly incorrect placement of __maybe_unused
2021-05-09 14:03:33 -07:00
geode
video: fbdev: lxfb_ops: Fix fall-through warnings for Clang
2020-11-22 22:58:55 +01:00
i810
video: fbdev: i810: use true,false for bool variables
2020-05-06 19:29:10 +02:00
intelfb
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
kyro
video: fbdev: kyro: remove set but not used 'ulCoreClock'
2020-09-08 13:33:31 +02:00
matrox
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
mb862xx
video: fbdev: mb862xx: remove set but not used variable 'mdr'
2020-04-08 12:09:15 +02:00
mmp
video: fbdev: mmp: Fix kernel-doc warning for lcd_spi_write
2020-12-08 18:34:25 +01:00
nvidia
video: fbdev: nvidia: Fix set but not used warnings
2020-11-30 20:21:54 +01:00
omap
video: omap: Remove in_interrupt() usage.
2021-02-18 15:14:32 +01:00
omap2
fbdev: omapfb: avoid -Wempty-body warning
2021-03-22 15:02:14 +01:00
riva
video: fbdev: riva: Fix kernel-doc and set but not used warnings
2020-11-30 20:04:36 +01:00
savage
fbdev: savagefb: use generic power management
2020-09-08 13:33:15 +02:00
sis
video: fbdev: sis: Drop useless call to SiS_GetResInfo()
2020-12-08 18:36:52 +01:00
vermilion
remove ioremap_nocache and devm_ioremap_nocache
2020-01-06 09:45:59 +01:00
via
video: fbdev: via: Fix set but not used warning for mode_crt_table
2020-11-30 20:04:24 +01:00
68328fb.c
video/fbdev/68328fb: Remove dead code
2020-01-03 14:27:43 +01:00
acornfb.c
video: fbdev: acornfb: remove free_unused_pages()
2021-02-24 13:38:31 -08:00
acornfb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
amba-clcd.c
Merge tag 'drm-misc-next-2021-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-03-16 17:08:46 +10:00
amifb.c
backlight/video: Use Platform getter/setter functions
2021-02-12 10:01:45 +00:00
arcfb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
arkfb.c
fbdev: arkfb: use generic power management
2020-09-08 13:33:20 +02:00
asiliantfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
atafb_iplan2p2.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_iplan2p4.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_iplan2p8.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_mfb.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_utils.h
…
atafb.c
fbdev/atafb: Remove unused extern variables
2020-10-28 19:40:11 +01:00
atafb.h
…
atmel_lcdfb.c
video: fbdev: atmel_lcdfb: fix return error code in atmel_lcdfb_of_init()
2020-11-17 08:47:15 +01:00
au1100fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
au1100fb.h
au1100fb: fix DMA API abuse
2019-06-03 16:00:08 +02:00
au1200fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
au1200fb.h
fbdev: au1200fb: delete duplicate header contents
2018-01-04 16:53:49 +01:00
broadsheetfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
bt431.h
…
bt455.h
…
bw2.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
c2p_core.h
fbdev: c2p: Use BUILD_BUG() instead of custom solution
2020-03-09 11:12:19 +01:00
c2p_iplan2.c
…
c2p_planar.c
…
c2p.h
…
carminefb_regs.h
…
carminefb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
carminefb.h
…
cg3.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
cg6.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
cg14.c
fbdev: cg14fb: use resource_size
2020-01-15 17:31:50 +01:00
chipsfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
cirrusfb.c
video: fbdev: cirrusfb: Fix kernel-doc and set but not used warnings
2020-12-05 21:16:02 +01:00
clps711x-fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
cobalt_lcdfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
controlfb.c
video: fbdev: controlfb: Fix set but not used warnings
2020-12-08 18:36:36 +01:00
controlfb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cyber2000fb.c
fbdev: cyber2000fb: use generic power management
2020-09-08 13:33:16 +02:00
cyber2000fb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
da8xx-fb.c
backlight/video: Use Platform getter/setter functions
2021-02-12 10:01:45 +00:00
dnfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
edid.h
…
efifb.c
efifb: Check efifb_pci_dev before using it
2021-04-26 17:33:03 -04:00
ep93xx-fb.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
ffb.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
fm2fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
fsl-diu-fb.c
video: fbdev: fsl-diu-fb: remove unneeded variable 'res'
2020-10-17 08:23:14 +02:00
g364fb.c
fbdev/g364fb: Fix build failure
2020-02-19 10:58:22 -08:00
gbefb.c
video: fbdev: gbefb: Fix set but not used warning
2020-12-08 18:35:24 +01:00
goldfishfb.c
video: fbdev: goldfishfb: Fix defined but not used warning
2020-12-08 18:34:50 +01:00
grvga.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
gxt4500.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
hecubafb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
hgafb.c
video: hgafb: fix potential NULL pointer dereference
2021-05-13 17:33:55 +02:00
hitfb.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
hpfb.c
maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault
2020-06-17 10:57:41 -07:00
hyperv_fb.c
Merge tag 'hyperv-next-signed-20210426' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2021-04-26 10:44:16 -07:00
i740_reg.h
…
i740fb.c
fbdev: i740fb: use generic power management
2020-09-08 13:33:17 +02:00
imsttfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
imxfb.c
backlight/video: Use Platform getter/setter functions
2021-02-12 10:01:45 +00:00
Kconfig
fbdev: aty: SPARC64 requires FB_ATY_CT
2020-11-27 16:14:02 +01:00
leo.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
macfb.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
macmodes.c
…
macmodes.h
…
Makefile
Merge tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm
2020-10-15 10:46:16 -07:00
maxinefb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
metronomefb.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
mx3fb.c
video: fbdev: mx3fb: Fix kernel-doc, set but not used and string warnings
2020-11-30 20:04:56 +01:00
n411.c
…
neofb.c
video: fbdev: neofb: Fix set but not used warning for CursorMem
2020-11-30 20:21:08 +01:00
ocfb.c
video: ocfb: Use devm_platform_ioremap_resource() in ocfb_probe()
2020-01-03 14:27:49 +01:00
offb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
p9100.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
platinumfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
platinumfb.h
…
pm2fb.c
video: fbdev: pm2fb: Fix kernel-doc warnings
2020-11-30 20:04:43 +01:00
pm3fb.c
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
pmag-aa-fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
pmag-ba-fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
pmagb-b-fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
ps3fb.c
powerpc/ps3: make system bus's remove and shutdown callbacks return void
2020-12-04 01:01:22 +11:00
pvr2fb.c
video: fbdev: pvr2fb: initialize variables
2020-08-05 19:47:22 +02:00
pxa3xx-gcu.c
misc: cleanup minor number definitions in c file into miscdevice.h
2020-03-18 12:27:03 +01:00
pxa3xx-gcu.h
…
pxa168fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pxa168fb.h
…
pxafb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pxafb.h
video: pxafb: Remove cpufreq policy notifier
2019-08-26 10:02:02 +02:00
q40fb.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
s1d13xxxfb.c
video: fbdev: s1d13xxxfb: Fix kernel-doc and set but not used warnings
2020-11-29 22:51:07 +01:00
s3c2410fb-regs-lcd.h
fbdev: s3c2410fb: remove mach header dependency
2020-08-20 17:48:12 +02:00
s3c2410fb.c
fbdev: s3c2410fb: remove mach header dependency
2020-08-20 17:48:12 +02:00
s3c2410fb.h
…
s3c-fb.c
video: fbdev: s3c-fb: Fix kernel-doc and set but not used warnings
2020-12-05 21:01:04 +01:00
s3fb.c
fbdev: s3fb: use generic power management
2020-09-08 13:33:19 +02:00
sa1100fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sa1100fb.h
ARM/fbdev: sa11x0: Switch to use GPIO descriptors
2020-04-17 15:50:11 +02:00
sbuslib.c
fbdev: sbuslib: remove compat_alloc_user_space usage
2020-09-25 16:34:50 +02:00
sbuslib.h
…
sh7760fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
sh_mobile_lcdcfb.c
fbdev/sh_mobile: Drop unused include
2020-11-01 10:29:04 +01:00
sh_mobile_lcdcfb.h
fbdev/sh_mobile: remove sh_mobile_lcdc_display_notify
2019-06-12 20:28:11 +02:00
simplefb.c
video: fbdev: simplefb: Fix info message during probe
2021-01-20 12:06:32 +01:00
skeletonfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sm501fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sm712.h
fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display
2019-04-01 17:46:59 +02:00
sm712fb.c
fbdev: sm712fb: handle ioremap() errors in probe
2020-09-08 13:33:02 +02:00
smscufx.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
ssd1307fb.c
video: fbdev: ssd1307fb: Added support to Column offset
2020-09-08 13:33:03 +02:00
sstfb.c
video: fbdev: sstfb: Updated logging to fix set but not used warnings
2020-11-30 20:04:59 +01:00
sticore.h
parisc/sticon: Add user font support
2020-10-15 08:12:59 +02:00
stifb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sunxvr500.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sunxvr1000.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sunxvr2500.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
tcx.c
video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode
2020-12-08 18:34:08 +01:00
tdfxfb.c
video: fbdev: tdfx: Fix set but not used warning in att_outb()
2020-11-30 20:04:30 +01:00
tgafb.c
video: fbdev: tgafb: Fix kernel-doc and set but not used warnings
2020-11-30 20:04:50 +01:00
tmiofb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
tridentfb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
udlfb.c
udlfb: Fix memory leak in dlfb_usb_probe
2020-12-15 13:44:14 +01:00
uvesafb.c
video: fbdev: uvesafb: Fix set but not used warning
2020-12-08 18:33:48 +01:00
valkyriefb.c
video: fbdev: valkyriefb.c: fix warning comparing pointer to 0
2020-05-06 21:04:45 +02:00
valkyriefb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
vesafb.c
video: fbdev: vesafb: add missed release_region
2020-04-17 15:50:14 +02:00
vfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
vga16fb.c
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
vt8500lcdfb.c
video: vt8500lcdfb: fix fallthrough warning
2020-04-17 15:50:08 +02:00
vt8500lcdfb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
vt8623fb.c
fbdev: vt8623fb: use generic power management
2020-09-08 13:33:18 +02:00
w100fb.c
video: fbdev: w100fb: Fix a potential double free.
2020-05-06 20:22:25 +02:00
w100fb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
wm8505fb_regs.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
wm8505fb.c
video: fbdev: wm8505fb: fix sparse warnings about using incorrect types
2020-03-02 16:32:04 +01:00
wmt_ge_rops.c
video: fbdev: wmt_ge_rops: Fix function not declared warnings
2020-12-08 18:34:36 +01:00
wmt_ge_rops.h
…
xen-fbfront.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
xilinxfb.c
backlight/video: Use Platform getter/setter functions
2021-02-12 10:01:45 +00:00