3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alex Deucher <alexdeucher@xxxxxxxxx>
commit 8c79bae6a30f606b7a4e17c994bc5f72f8fdaf11 upstream.
Avoid a possible segfault.
Noticed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/si.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1472,11 +1472,13 @@ int si_mc_load_microcode(struct radeon_d
const __be32 *fw_data;
u32 running, blackout = 0;
u32 *io_mc_regs;
- int i, regs_size, ucode_size = rdev->mc_fw->size / 4;
+ int i, regs_size, ucode_size;
if (!rdev->mc_fw)
return -EINVAL;
+ ucode_size = rdev->mc_fw->size / 4;
+
switch (rdev->family) {
case CHIP_TAHITI:
io_mc_regs = (u32 *)&tahiti_io_mc_regs;
--
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