* [PATCH] CIFS: check for granted memory
@ 2007-08-17 19:13 Cyrill Gorcunov
0 siblings, 0 replies; only message in thread
From: Cyrill Gorcunov @ 2007-08-17 19:13 UTC (permalink / raw)
To: Steve French; +Cc: LKML, Andrew Morton
This patch adds just a check for granted memory
to prevent possible NULL pointer usage.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---
fs/cifs/sess.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 2ea027d..892be9b 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -372,6 +372,10 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time,
/* 2000 big enough to fit max user, domain, NOS name etc. */
str_area = kmalloc(2000, GFP_KERNEL);
+ if (str_area == NULL) {
+ cifs_small_buf_release(smb_buf);
+ return -ENOMEM;
+ }
bcc_ptr = str_area;
ses->flags &= ~CIFS_SES_LANMAN;
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