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drm/msm/dpu: Fix uninitialized variable

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There is a possibility for an uninitialized *ret* variable to be
returned in some code paths.

Fix this by initializing *ret* to 0.

Addresses-Coverity-ID: 1642546 ("Uninitialized scalar variable")
Fixes: 774bcfb731 ("drm/msm/dpu: add support for virtual planes")
Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/636201/
Link: https://lore.kernel.org/r/20250209-dpu-v2-1-114dfd4ebefd@ethancedwards.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
This commit is contained in:
Ethan Carter Edwards 2025-02-09 22:51:54 -05:00 • committed by Abhinav Kumar
parent df9cf852ca
commit 978ca99d6b
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
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@ -1164,7 +1164,6 @@ int dpu_assign_plane_resources(struct dpu_global_state *global_state,
unsigned int num_planes)
{
unsigned int i;
int ret;
for (i = 0; i < num_planes; i++) {
struct drm_plane_state *plane_state = states[i];
@ -1173,13 +1172,13 @@ int dpu_assign_plane_resources(struct dpu_global_state *global_state,
!plane_state->visible)
continue;
ret = dpu_plane_virtual_assign_resources(crtc, global_state,
int ret = dpu_plane_virtual_assign_resources(crtc, global_state,
state, plane_state);
if (ret)
break;
return ret;
}
return ret;
return 0;
}
static void dpu_plane_flush_csc(struct dpu_plane *pdpu, struct dpu_sw_pipe *pipe)