linux-kernel - [PATCH 1/3 v2] proc: return -ENOMEM when inode allocation failed

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Date:	Wed,  5 Sep 2012 20:17:15 +0800
From:	yan <clouds.yan@...il.com>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/3 v2] proc: return -ENOMEM when inode allocation failed

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@...il.com>
---
 fs/proc/generic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index b3647fe..9e8f631 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -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;
 		}
-- 
1.7.9.5

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