According to fb_set_cmap() in this file, knows about it is necessary to
check 'start' whether less than zero or not, so need add related type
cast for its comparing.
The related warning:
drivers/video/fbcmap.c:288:2: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
drivers/video/fbcmap.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c
index 5c3960d..44c88e3 100644
--- a/drivers/video/fbcmap.c
+++ b/drivers/video/fbcmap.c
@@ -285,7 +285,7 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info)
rc = -ENODEV;
goto out;
}
- if (cmap->start < 0 || (!info->fbops->fb_setcolreg &&
+ if ((int)cmap->start < 0 || (!info->fbops->fb_setcolreg &&
!info->fbops->fb_setcmap)) {
rc = -EINVAL;
goto out1;
--
1.7.7.6
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