bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 14:53:58 -04:00
Code Issues Packages Projects Releases Wiki Activity

MIPS: Lantiq: Fix check for return value of request_mem_region()

Browse Source 
request_mem_region() returns a pointer and not an integer with an error
value. A check for "< 0" on a pointer will cause problems, replace it
with not null checks instead. This was found with sparse.

Signed-off-by: Hauke Mehrtens <hauke.mehrtens@lantiq.com>
Acked-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11395/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Hauke Mehrtens
2015-10-28 23:37:44 +01:00
committed by Ralf Baechle
parent 13648d7245
commit 6e80785267
3 changed files with 11 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
arch/mips/lantiq/xway/sysctrl.c
View File

@@ -425,12 +425,12 @@ void __init ltq_soc_init(void)
of_address_to_resource(np_ebu, 0, &res_ebu))
panic("Failed to get core resources");
if ((request_mem_region(res_pmu.start, resource_size(&res_pmu),
res_pmu.name) < 0) ||
(request_mem_region(res_cgu.start, resource_size(&res_cgu),
res_cgu.name) < 0) ||
(request_mem_region(res_ebu.start, resource_size(&res_ebu),
res_ebu.name) < 0))
if (!request_mem_region(res_pmu.start, resource_size(&res_pmu),
res_pmu.name) ||
!request_mem_region(res_cgu.start, resource_size(&res_cgu),
res_cgu.name) ||
!request_mem_region(res_ebu.start, resource_size(&res_ebu),
res_ebu.name))
pr_err("Failed to request core resources");
pmu_membase = ioremap_nocache(res_pmu.start, resource_size(&res_pmu));