'n-1' is the index to replace the newline character of CRC source name.
Cc: Leo Li <sunpeng...@amd.com>
Cc: Harry Wentland<harry.wentl...@amd.com>
Signed-off-by: Dingchen Zhang <dingchen.zh...@amd.com>
---
drivers/gpu/drm/drm_debugfs_crc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_debugfs_crc.c
b/drivers/gpu/drm/drm_debugfs_crc.c
index 585169f0dcc5..e20adef9d623 100644
--- a/drivers/gpu/drm/drm_debugfs_crc.c
+++ b/drivers/gpu/drm/drm_debugfs_crc.c
@@ -131,8 +131,8 @@ static ssize_t crc_control_write(struct file *file, const
char __user *ubuf,
if (IS_ERR(source))
return PTR_ERR(source);
- if (source[len] == '\n')
- source[len] = '\0';
+ if (source[len-1] == '\n')
+ source[len-1] = '\0';
ret = crtc->funcs->verify_crc_source(crtc, source, &values_cnt);
if (ret)
--
2.17.1
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