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| author |   Robert Foss <robert.foss@linaro.org> | 2021-08-18 19:13:18 +0200 |
|---|---|---|
| committer | Robert Foss <robert.foss@linaro.org> | 2021-08-18 20:57:03 +0200 |
| commit | a23e0a2a222a56fbd001a37c19b16efdf97ae017 (patch) | |
| tree | e9b5dec53417696d48d9aece457d6d143a898c15 /drivers/gpu/drm/bridge | |
| parent | drm/bridge: anx7625: Propagate errors from sp_tx_rst_aux() (diff) | |
| download | linux-dev-a23e0a2a222a56fbd001a37c19b16efdf97ae017.tar.xz linux-dev-a23e0a2a222a56fbd001a37c19b16efdf97ae017.zip | |
drm/bridge: anx7625: Propagate errors from sp_tx_edid_read()
During the sp_tx_edid_read() call the return value of sp_tx_edid_read()
is ignored, which could cause potential errors to go unhandled.
All errors which are returned by sp_tx_edid_read() are handled in
anx7625_get_edid().
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210818171318.1848272-2-robert.foss@linaro.org
Diffstat (limited to 'drivers/gpu/drm/bridge')
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/anx7625.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index ea414cd349b5..abc8db77bfd3 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -845,8 +845,11 @@ static int sp_tx_edid_read(struct anx7625_data *ctx, if (g_edid_break == 1) break; - segments_edid_read(ctx, count / 2, - pblock_buf, offset); + ret = segments_edid_read(ctx, count / 2, + pblock_buf, offset); + if (ret < 0) + return ret; + memcpy(&pedid_blocks_buf[edid_pos], pblock_buf, MAX_DPCD_BUFFER_SIZE); @@ -863,8 +866,11 @@ static int sp_tx_edid_read(struct anx7625_data *ctx, if (g_edid_break == 1) break; - segments_edid_read(ctx, count / 2, - pblock_buf, offset); + ret = segments_edid_read(ctx, count / 2, + pblock_buf, offset); + if (ret < 0) + return ret; + memcpy(&pedid_blocks_buf[edid_pos], pblock_buf, MAX_DPCD_BUFFER_SIZE); |