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Simplify fifo_open() locking logic

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We don't do interruptible waits for the pipe mutex anywhere else any
more either, so don't do it in fifo_open() either.

Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Linus Torvalds 2006-03-07 09:16:35 -08:00
parent d11d9b2dd2
commit d19e997408
1 changed files with 1 additions and 6 deletions
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7
fs/fifo.c
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@ -34,10 +34,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
{
int ret;
ret = -ERESTARTSYS;
if (mutex_lock_interruptible(PIPE_MUTEX(*inode)))
goto err_nolock_nocleanup;
mutex_lock(PIPE_MUTEX(*inode));
if (!inode->i_pipe) {
ret = -ENOMEM;
if(!pipe_new(inode))
@ -140,8 +137,6 @@ static int fifo_open(struct inode *inode, struct file *filp)
err_nocleanup:
mutex_unlock(PIPE_MUTEX(*inode));
err_nolock_nocleanup:
return ret;
}