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drm/gma500: fix null dereference of pointer fb before null check
authorColin Ian King <colin.king@canonical.com>
Mon, 16 Dec 2019 16:21:36 +0000 (16:21 +0000)
committerPatrik Jakobsson <patrik.r.jakobsson@gmail.com>
Thu, 19 Dec 2019 14:33:40 +0000 (15:33 +0100)
commit7da5492739db745d935a7044288a7307a0fb7f29
tree4524d43aad2223bf1baa69f8ec78e0e642d8da8c
parent24f03be4aa7922ef5c6067d2809c5d90dfe275c9
drm/gma500: fix null dereference of pointer fb before null check

Pointer fb is being dereferenced when assigning dev before it
is null checked.  Fix this by only dereferencing dev after the
null check.

Fixes: 6b7ce2c4161a ("drm/gma500: Remove struct psb_fbdev")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191216162136.270114-1-colin.king@canonical.com
drivers/gpu/drm/gma500/accel_2d.c