drm/amd/display: Add gnu_printf format attribute for snprintf_count()

[platform/kernel/linux-rpi.git] / drivers / gpu / drm / amd / display / dc / dcn10 / dcn10_hw_sequencer_debug.c

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c
index a0f8e31..46a2ebc 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c
@@ -45,7 +45,8 @@
 #include "dcn10_cm_common.h"
 #include "clk_mgr.h"
 
-unsigned int snprintf_count(char *pBuf, unsigned int bufSize, char *fmt, ...)
+__printf(3, 4)
+unsigned int snprintf_count(char *pbuf, unsigned int bufsize, char *fmt, ...)
 {
        int ret_vsnprintf;
        unsigned int chars_printed;
@@ -53,15 +54,15 @@ unsigned int snprintf_count(char *pBuf, unsigned int bufSize, char *fmt, ...)
        va_list args;
        va_start(args, fmt);
 
-       ret_vsnprintf = vsnprintf(pBuf, bufSize, fmt, args);
+       ret_vsnprintf = vsnprintf(pbuf, bufsize, fmt, args);
 
        va_end(args);
 
        if (ret_vsnprintf > 0) {
-               if (ret_vsnprintf < bufSize)
+               if (ret_vsnprintf < bufsize)
                        chars_printed = ret_vsnprintf;
                else
-                       chars_printed = bufSize - 1;
+                       chars_printed = bufsize - 1;
        } else
                chars_printed = 0;