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authorShirish Pargaonkar <[email protected]>2012-02-02 15:28:28 -0600
committerSteve French <[email protected]>2012-02-02 16:59:09 -0600
commitde47a4176c532ef5961b8a46a2d541a3517412d3 (patch)
tree6ceecd645cbc662c47d2b00478bcb69409353734
parent2a73ca8208197d03f78d680b3c7953b897e91eb6 (diff)
cifs: Fix oops in session setup code for null user mounts
For null user mounts, do not invoke string length function during session setup. Cc: <[email protected] Reported-and-Tested-by: Chris Clayton <[email protected]> Acked-by: Jeff Layton <[email protected]> Signed-off-by: Shirish Pargaonkar <[email protected]> Signed-off-by: Steve French <[email protected]>
-rw-r--r--fs/cifs/sess.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index eb767412177d..551d0c2b9736 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -246,16 +246,15 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifs_ses *ses,
/* copy user */
/* BB what about null user mounts - check that we do this BB */
/* copy user */
- if (ses->user_name != NULL)
+ if (ses->user_name != NULL) {
strncpy(bcc_ptr, ses->user_name, MAX_USERNAME_SIZE);
+ bcc_ptr += strnlen(ses->user_name, MAX_USERNAME_SIZE);
+ }
/* else null user mount */
-
- bcc_ptr += strnlen(ses->user_name, MAX_USERNAME_SIZE);
*bcc_ptr = 0;
bcc_ptr++; /* account for null termination */
/* copy domain */
-
if (ses->domainName != NULL) {
strncpy(bcc_ptr, ses->domainName, 256);
bcc_ptr += strnlen(ses->domainName, 256);