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proc: return -ENOMEM when inode allocation failed

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If proc_get_inode() returns NULL then presumably it encountered memory
exhaustion.  proc_lookup_de() should return -ENOMEM in this case, not
-EINVAL.

Signed-off-by: yan <clouds.yan@gmail.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
yan 2012-10-04 17:15:38 -07:00 committed by Linus Torvalds
parent 2aa362c49c
commit 620727506d
1 changed files with 1 additions and 1 deletions
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2
fs/proc/generic.c
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@ -427,7 +427,7 @@ struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *dir,
if (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
pde_get(de);
spin_unlock(&proc_subdir_lock);
error = -EINVAL;
error = -ENOMEM;
inode = proc_get_inode(dir->i_sb, de);
goto out_unlock;
}