Message ID | 003701cfbc63$04fdf490$0ef9ddb0$@samsung.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
merged into cifs-2.6.git for-next On Wed, Aug 20, 2014 at 5:39 AM, Namjae Jeon <namjae.jeon@samsung.com> wrote: > When kzalloc fails, we will end up doing NULL pointer derefrence > > Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> > Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com> > --- > fs/cifs/sess.c | 7 ++++--- > 1 files changed, 4 insertions(+), 3 deletions(-) > > diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c > index 39b8507..07fe97a 100644 > --- a/fs/cifs/sess.c > +++ b/fs/cifs/sess.c > @@ -243,10 +243,11 @@ static void decode_ascii_ssetup(char **pbcc_area, __u16 bleft, > kfree(ses->serverOS); > > ses->serverOS = kzalloc(len + 1, GFP_KERNEL); > - if (ses->serverOS) > + if (ses->serverOS) { > strncpy(ses->serverOS, bcc_ptr, len); > - if (strncmp(ses->serverOS, "OS/2", 4) == 0) > - cifs_dbg(FYI, "OS/2 server\n"); > + if (strncmp(ses->serverOS, "OS/2", 4) == 0) > + cifs_dbg(FYI, "OS/2 server\n"); > + } > > bcc_ptr += len + 1; > bleft -= len + 1; > -- > 1.7.7 >
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 39b8507..07fe97a 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -243,10 +243,11 @@ static void decode_ascii_ssetup(char **pbcc_area, __u16 bleft, kfree(ses->serverOS); ses->serverOS = kzalloc(len + 1, GFP_KERNEL); - if (ses->serverOS) + if (ses->serverOS) { strncpy(ses->serverOS, bcc_ptr, len); - if (strncmp(ses->serverOS, "OS/2", 4) == 0) - cifs_dbg(FYI, "OS/2 server\n"); + if (strncmp(ses->serverOS, "OS/2", 4) == 0) + cifs_dbg(FYI, "OS/2 server\n"); + } bcc_ptr += len + 1; bleft -= len + 1;