[PATCH] setfont: explicitly initialize ptr to NULL

Variable 'ptr' is declared but not initialized. If an error occurs before
the first loop iteration, the error path at 'end' label calls free(ptr)
on an uninitialized pointer.

Signed-off-by: Krdyan Areg <[email protected]>
---
 src/libkfont/setfont.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libkfont/setfont.c b/src/libkfont/setfont.c
index 45652c0..06dc425 100644
--- a/src/libkfont/setfont.c
+++ b/src/libkfont/setfont.c
@@ -281,7 +281,7 @@ kfont_load_fonts(struct kfont_context *ctx,
 	unsigned char *inbuf, *fontbuf, *bigfontbuf;
 	unsigned int inputlth, fontbuflth, fontsize, height, width;
 	unsigned int bigfontbuflth, bigfontsize, bigheight, bigwidth;
-	unsigned char *ptr;
+	unsigned char *ptr = NULL;
 	struct unicode_list *uclistheads;
 	struct kbdfile *fp = NULL;
 	int i;
-- 
2.52.0