The wrong sizeof values are currently being used as arguments to
kzalloc().
Fix this by using the right arguments *dceip and *vbios,
correspondingly.
Addresses-Coverity-ID: 1502901 ("Wrong sizeof argument")
Fixes: fca1e079055e ("drm/amd/display/dc/calcs/dce_calcs: Remove some large variables from the stack")
Signed-off-by: Gustavo A. R. Silva <[email protected]>
---
drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
index 556ecfabc8d2..1244fcb0f446 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
@@ -2051,11 +2051,11 @@ void bw_calcs_init(struct bw_calcs_dceip *bw_dceip,
enum bw_calcs_version version = bw_calcs_version_from_asic_id(asic_id);
- dceip = kzalloc(sizeof(dceip), GFP_KERNEL);
+ dceip = kzalloc(sizeof(*dceip), GFP_KERNEL);
if (!dceip)
return;
- vbios = kzalloc(sizeof(vbios), GFP_KERNEL);
+ vbios = kzalloc(sizeof(*vbios), GFP_KERNEL);
if (!vbios) {
kfree(dceip);
return;
--
2.27.0
[AMD Public Use]
Thanks for your patch, Silva. The issue has been fixed by " a5c6007e20e1 drm/amd/display: fix modprobe failure on vega series".
Regards,
Guchun
-----Original Message-----
From: amd-gfx <[email protected]> On Behalf Of Gustavo A. R. Silva
Sent: Monday, March 22, 2021 8:51 PM
To: Lee Jones <[email protected]>; Wentland, Harry <[email protected]>; Li, Sun peng (Leo) <[email protected]>; Deucher, Alexander <[email protected]>; Koenig, Christian <[email protected]>; David Airlie <[email protected]>; Daniel Vetter <[email protected]>
Cc: Gustavo A. R. Silva <[email protected]>; [email protected]; [email protected]; [email protected]
Subject: [PATCH][next] drm/amd/display: Fix sizeof arguments in bw_calcs_init()
The wrong sizeof values are currently being used as arguments to kzalloc().
Fix this by using the right arguments *dceip and *vbios, correspondingly.
Addresses-Coverity-ID: 1502901 ("Wrong sizeof argument")
Fixes: fca1e079055e ("drm/amd/display/dc/calcs/dce_calcs: Remove some large variables from the stack")
Signed-off-by: Gustavo A. R. Silva <[email protected]>
---
drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
index 556ecfabc8d2..1244fcb0f446 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
@@ -2051,11 +2051,11 @@ void bw_calcs_init(struct bw_calcs_dceip *bw_dceip,
enum bw_calcs_version version = bw_calcs_version_from_asic_id(asic_id);
- dceip = kzalloc(sizeof(dceip), GFP_KERNEL);
+ dceip = kzalloc(sizeof(*dceip), GFP_KERNEL);
if (!dceip)
return;
- vbios = kzalloc(sizeof(vbios), GFP_KERNEL);
+ vbios = kzalloc(sizeof(*vbios), GFP_KERNEL);
if (!vbios) {
kfree(dceip);
return;
--
2.27.0
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On 3/22/21 09:04, Chen, Guchun wrote:
> [AMD Public Use]
>
> Thanks for your patch, Silva. The issue has been fixed by " a5c6007e20e1 drm/amd/display: fix modprobe failure on vega series".
Great. :)
Good to know this is already fixed.
Thanks!
--
Gustavo