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author | Wang YanQing <udknight@gmail.com> | 2013-03-30 02:53:00 (GMT) |
---|---|---|
committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-04-02 10:33:55 (GMT) |
commit | 090da752cdd6f0786eee68c8dea8db7c8abd3798 (patch) | |
tree | 5b81a185bc34326ef9e120ca96fe271c3e589bba /drivers | |
parent | 477fc03f5baaf5906ce04beba7dbcd0e5d1e9b30 (diff) | |
download | linux-fsl-qoriq-090da752cdd6f0786eee68c8dea8db7c8abd3798.tar.xz |
video:uvesafb: Fix dereference NULL pointer code path
platform_device_alloc could failed and return NULL,
we should check this before call platform_device_put.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/video/uvesafb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index b75db01..d428445 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -1973,7 +1973,8 @@ static int uvesafb_init(void) err = -ENOMEM; if (err) { - platform_device_put(uvesafb_device); + if (uvesafb_device) + platform_device_put(uvesafb_device); platform_driver_unregister(&uvesafb_driver); cn_del_callback(&uvesafb_cn_id); return err; |