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locks: consolidate NULL i_flctx checks in locks_remove_file 

We have each of the locks_remove_* variants doing this individually.
Have the caller do it instead, and have locks_remove_flock and
locks_remove_lease just assume that it's a valid pointer.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
This commit is contained in:
Jeff Layton 2015-01-16 15:05:58 -05:00
parent 9bd0f45b70
commit 3d8e560de4
1 changed files with 7 additions and 2 deletions
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9
fs/locks.c
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@ -2400,6 +2400,7 @@ void locks_remove_posix(struct file *filp, fl_owner_t owner)
EXPORT_SYMBOL(locks_remove_posix);
/* The i_flctx must be valid when calling into here */
static void
locks_remove_flock(struct file *filp)
{
@ -2413,7 +2414,7 @@ locks_remove_flock(struct file *filp)
};
struct file_lock_context *flctx = file_inode(filp)->i_flctx;
if (!flctx || list_empty(&flctx->flc_flock))
if (list_empty(&flctx->flc_flock))
return;
if (filp->f_op->flock)
@ -2425,6 +2426,7 @@ locks_remove_flock(struct file *filp)
fl.fl_ops->fl_release_private(&fl);
}
/* The i_flctx must be valid when calling into here */
static void
locks_remove_lease(struct file *filp)
{
@ -2433,7 +2435,7 @@ locks_remove_lease(struct file *filp)
struct file_lock *fl, *tmp;
LIST_HEAD(dispose);
if (!ctx || list_empty(&ctx->flc_lease))
if (list_empty(&ctx->flc_lease))
return;
spin_lock(&ctx->flc_lock);
@ -2448,6 +2450,9 @@ locks_remove_lease(struct file *filp)
*/
void locks_remove_file(struct file *filp)
{
if (!file_inode(filp)->i_flctx)
return;
/* remove any OFD locks */
locks_remove_posix(filp, filp);