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| author | Eric Sesterhenn <snakebyte@gmx.de> | 2006-04-02 13:42:42 +0200 |
|---|---|---|
| committer | Adrian Bunk <bunk@stusta.de> | 2006-04-02 13:42:42 +0200 |
| commit | 9ba025f10885758975fbbc2292a5b9e7cb8026a8 (patch) | |
| tree | 2b6b88de37c42db0541ddf929d0a38b60f4a5871 | |
| parent | 7ec70738097af9dfd25d5f83e9b27a532f462912 (diff) | |
| download | linux-3.10-9ba025f10885758975fbbc2292a5b9e7cb8026a8.tar.gz linux-3.10-9ba025f10885758975fbbc2292a5b9e7cb8026a8.tar.bz2 linux-3.10-9ba025f10885758975fbbc2292a5b9e7cb8026a8.zip | |
BUG_ON() Conversion in ipc/shm.c
this changes if() BUG(); constructs to BUG_ON() which is
cleaner, contains unlikely() and can better optimized away.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
| -rw-r--r-- | ipc/shm.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index f806a2e314e..6b0c9af5bbf 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -91,8 +91,8 @@ static inline int shm_addid(struct shmid_kernel *shp) static inline void shm_inc (int id) { struct shmid_kernel *shp; - if(!(shp = shm_lock(id))) - BUG(); + shp = shm_lock(id); + BUG_ON(!shp); shp->shm_atim = get_seconds(); shp->shm_lprid = current->tgid; shp->shm_nattch++; @@ -142,8 +142,8 @@ static void shm_close (struct vm_area_struct *shmd) mutex_lock(&shm_ids.mutex); /* remove from the list of attaches of the shm segment */ - if(!(shp = shm_lock(id))) - BUG(); + shp = shm_lock(id); + BUG_ON(!shp); shp->shm_lprid = current->tgid; shp->shm_dtim = get_seconds(); shp->shm_nattch--; @@ -283,8 +283,7 @@ asmlinkage long sys_shmget (key_t key, size_t size, int shmflg) err = -EEXIST; } else { shp = shm_lock(id); - if(shp==NULL) - BUG(); + BUG_ON(shp==NULL); if (shp->shm_segsz < size) err = -EINVAL; else if (ipcperms(&shp->shm_perm, shmflg)) @@ -774,8 +773,8 @@ invalid: up_write(¤t->mm->mmap_sem); mutex_lock(&shm_ids.mutex); - if(!(shp = shm_lock(shmid))) - BUG(); + shp = shm_lock(shmid); + BUG_ON(!shp); shp->shm_nattch--; if(shp->shm_nattch == 0 && shp->shm_perm.mode & SHM_DEST) |