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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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4
ipc/sem.c
View File

@@ -1691,7 +1691,7 @@ static long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg, int v
case IPC_SET:
if (copy_semid_from_user(&semid64, p, version))
return -EFAULT;
/* fall through */
fallthrough;
case IPC_RMID:
return semctl_down(ns, semid, cmd, &semid64);
default:
@@ -1805,7 +1805,7 @@ static long compat_ksys_semctl(int semid, int semnum, int cmd, int arg, int vers
case IPC_SET:
if (copy_compat_semid_from_user(&semid64, p, version))
return -EFAULT;
/* fallthru */
fallthrough;
case IPC_RMID:
return semctl_down(ns, semid, cmd, &semid64);
default:

4
ipc/shm.c
View File

@@ -1179,7 +1179,7 @@ static long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf, int ver
case IPC_SET:
if (copy_shmid_from_user(&sem64, buf, version))
return -EFAULT;
/* fallthru */
fallthrough;
case IPC_RMID:
return shmctl_down(ns, shmid, cmd, &sem64);
case SHM_LOCK:
@@ -1374,7 +1374,7 @@ static long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr, int versio
case IPC_SET:
if (copy_compat_shmid_from_user(&sem64, uptr, version))
return -EFAULT;
/* fallthru */
fallthrough;
case IPC_RMID:
return shmctl_down(ns, shmid, cmd, &sem64);
case SHM_LOCK: