drm/omap: dsi: fix unreachable code in dsi_vc_send_short()
The 'r' in dsi_vc_send_short() is of type 'unsigned int', so the 'r < 0' can't be true. Fix this by introducing a 'err' of type 'int' insteaded. Fixes: 1ed62538 ("drm/omap: dsi: switch dsi_vc_send_long/short to mipi_dsi_msg") Signed-off-by:Menglong Dong <dong.menglong@zte.com.cn> Reviewed-by:
Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by:
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210127015117.23267-1-dong.menglong@zte.com.cn
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