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| author | Shirish Pargaonkar <shirishpargaonkar@gmail.com> | 2012-02-02 15:28:28 -0600 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2012-02-02 16:59:09 -0600 |
| commit | de47a4176c532ef5961b8a46a2d541a3517412d3 (patch) | |
| tree | 6ceecd645cbc662c47d2b00478bcb69409353734 | |
| parent | 2a73ca8208197d03f78d680b3c7953b897e91eb6 (diff) | |
| download | linux-3.10-de47a4176c532ef5961b8a46a2d541a3517412d3.tar.gz linux-3.10-de47a4176c532ef5961b8a46a2d541a3517412d3.tar.bz2 linux-3.10-de47a4176c532ef5961b8a46a2d541a3517412d3.zip | |
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: <stable@kernel.org
Reported-and-Tested-by: Chris Clayton <chris2553@googlemail.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>
| -rw-r--r-- | fs/cifs/sess.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index eb767412177..551d0c2b973 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); |