diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2018-06-03 16:40:57 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-07-31 08:03:48 +1000 |
| commit | 09a00abe3a9941c2715ca83eb88172cd2f54d8fd (patch) | |
| tree | 62ad3afee5fc522e67ca8fc5016c2ffde1c854ef /drivers | |
| parent | 542bb9788a1f485eb1a2229178f665d8ea166156 (diff) | |
udl-kms: fix crash due to uninitialized memory
We must use kzalloc when allocating the fb_deferred_io structure.
Otherwise, the field first_io is undefined and it causes a crash.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_fb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index d5583190f3e4..c3f5867dac91 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -221,7 +221,7 @@ static int udl_fb_open(struct fb_info *info, int user) struct fb_deferred_io *fbdefio; - fbdefio = kmalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); + fbdefio = kzalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); if (fbdefio) { fbdefio->delay = DL_DEFIO_WRITE_DELAY; |