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9p: return on mutex_lock_interruptible()

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If "err" is -EINTR here the original code calls mutex_unlock() and then
returns, but it should just return directly.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

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This commit is contained in:
Dan Carpenter 2010-03-30 09:41:25 +00:00 committed by Eric Van Hensbergen
parent 11e9b49b7f
commit 85a770a888
1 changed files with 2 additions and 0 deletions
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2
fs/9p/vfs_dir.c
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@ -130,6 +130,8 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
rdir = (struct p9_rdir *) fid->rdir;
err = mutex_lock_interruptible(&rdir->mutex);
if (err)
return err;
while (err == 0) {
if (rdir->tail == rdir->head) {
err = v9fs_file_readn(filp, rdir->buf, NULL,