mirror of
https://github.com/adulau/aha.git
synced 2024-12-28 03:36:19 +00:00
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>
This commit is contained in:
parent
7ec7073809
commit
9ba025f108
1 changed files with 7 additions and 8 deletions
15
ipc/shm.c
15
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)
|
||||
|
|
Loading…
Reference in a new issue