This is a note to let you know that I've just added the patch titled
drm/radeon/si: make sure mc ucode is loaded before checking the size
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-si-make-sure-mc-ucode-is-loaded-before-checking-the-size.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8c79bae6a30f606b7a4e17c994bc5f72f8fdaf11 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@xxxxxxxxx>
Date: Wed, 16 Apr 2014 09:42:22 -0400
Subject: drm/radeon/si: make sure mc ucode is loaded before checking the size
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;
Patches currently in stable-queue which might be from alexdeucher@xxxxxxxxx are
queue-3.14/drm-radeon-disable-mclk-dpm-on-r7-260x.patch
queue-3.14/drm-radeon-fix-audio-pin-counts-for-dce6-v2.patch
queue-3.14/drm-radeon-re-enable-mclk-dpm-on-r7-260x-asics.patch
queue-3.14/drm-radeon-si-make-sure-mc-ucode-is-loaded-before-checking-the-size.patch
queue-3.14/drm-radeon-fix-runpm-handling-on-apus-v4.patch
queue-3.14/drm-radeon-add-support-for-newer-mc-ucode-on-si-v2.patch
queue-3.14/drm-radeon-ci-make-sure-mc-ucode-is-loaded-before-checking-the-size.patch
queue-3.14/drm-radeon-add-support-for-newer-mc-ucode-on-ci-v2.patch
--
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