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treewide: Use fallthrough pseudo-keyword

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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
This commit is contained in:
Gustavo A. R. Silva
2020-08-23 17:36:59 -05:00
parent d012a7190f
commit df561f6688
1148 changed files with 2667 additions and 2737 deletions
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2
drivers/char/agp/ali-agp.c
View File

@@ -357,7 +357,7 @@ found:
default:
break;
}
/*FALLTHROUGH*/
fallthrough;
default:
bridge->driver = &ali_generic_bridge;
}

2
drivers/char/ipmi/kcs_bmc.c
View File

@@ -99,7 +99,7 @@ static void kcs_bmc_handle_data(struct kcs_bmc *kcs_bmc)
switch (kcs_bmc->phase) {
case KCS_PHASE_WRITE_START:
kcs_bmc->phase = KCS_PHASE_WRITE_DATA;
/* fall through */
fallthrough;
case KCS_PHASE_WRITE_DATA:
if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) {

4
drivers/char/lp.c
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@@ -734,7 +734,7 @@ static long lp_ioctl(struct file *file, unsigned int cmd,
ret = lp_set_timeout32(minor, (void __user *)arg);
break;
}
/* fall through - for 64-bit */
fallthrough; /* for 64-bit */
case LPSETTIMEOUT_NEW:
ret = lp_set_timeout64(minor, (void __user *)arg);
break;
@@ -762,7 +762,7 @@ static long lp_compat_ioctl(struct file *file, unsigned int cmd,
ret = lp_set_timeout32(minor, (void __user *)arg);
break;
}
/* fall through - for x32 mode */
fallthrough; /* for x32 mode */
case LPSETTIMEOUT_NEW:
ret = lp_set_timeout64(minor, (void __user *)arg);
break;

2
drivers/char/mem.c
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@@ -791,7 +791,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
switch (orig) {
case SEEK_CUR:
offset += file->f_pos;
/* fall through */
fallthrough;
case SEEK_SET:
/* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */
if ((unsigned long long)offset >= -MAX_ERRNO) {

2
drivers/char/nvram.c
View File

@@ -286,7 +286,7 @@ static long nvram_misc_ioctl(struct file *file, unsigned int cmd,
#ifdef CONFIG_PPC
case OBSOLETE_PMAC_NVRAM_GET_OFFSET:
pr_warn("nvram: Using obsolete PMAC_NVRAM_GET_OFFSET ioctl\n");
/* fall through */
fallthrough;
case IOC_NVRAM_GET_OFFSET:
ret = -EINVAL;
#ifdef CONFIG_PPC_PMAC