MLK-13341 IPU: mxc_vout: fix the potential uninitalized variable usage

Fix coverity CID 17624 uninitialized scalar variable

The 'fb_fmt' variable may be used before uninitialized
So initialize it at the begining.

Signed-off-by: Guoniu.Zhou <guoniu.zhou@nxp.com>

diff --git a/drivers/media/platform/mxc/output/mxc_vout.c b/drivers/media/platform/mxc/output/mxc_vout.c
index adeb6d6..f1ee36d 100644 (file)
--- a/drivers/media/platform/mxc/output/mxc_vout.c
+++ b/drivers/media/platform/mxc/output/mxc_vout.c
@@ -304,7 +304,7 @@ static ipu_channel_t get_ipu_channel(struct fb_info *fbi)
 static unsigned int get_ipu_fmt(struct fb_info *fbi)
 {
        mm_segment_t old_fs;
-       unsigned int fb_fmt;
+       unsigned int fb_fmt = 0;
 
        if (fbi->fbops->fb_ioctl) {
                old_fs = get_fs();