Commit 09a00abe authored by Mikulas Patocka's avatar Mikulas Patocka Committed by Dave Airlie

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: default avatarMikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 542bb978
...@@ -221,7 +221,7 @@ static int udl_fb_open(struct fb_info *info, int user) ...@@ -221,7 +221,7 @@ static int udl_fb_open(struct fb_info *info, int user)
struct fb_deferred_io *fbdefio; 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) { if (fbdefio) {
fbdefio->delay = DL_DEFIO_WRITE_DELAY; fbdefio->delay = DL_DEFIO_WRITE_DELAY;
......
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