From 7c37434360f1c49975c286566efc3f0c935a84ef Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Tue, 19 Oct 2021 02:50:34 +0200
Subject: utils: Fix bad malloc result check in buffer_read_from_filename and
 test arguments for NULL

---
 src/utils.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/utils.c b/src/utils.c
index b03f13b..7b10a08 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -257,6 +257,10 @@ LIBIMOBILEDEVICE_GLUE_API int buffer_read_from_filename(const char *filename, ch
 	FILE *f;
 	uint64_t size;
 
+	if (!filename || !buffer || !length) {
+		return 0;
+	}
+
 	*length = 0;
 
 	f = fopen(filename, "rb");
@@ -275,7 +279,7 @@ LIBIMOBILEDEVICE_GLUE_API int buffer_read_from_filename(const char *filename, ch
 
 	*buffer = (char*)malloc(sizeof(char)*(size+1));
 
-	if (!buffer) {
+	if (*buffer == NULL) {
 		return 0;
 	}
 
-- 
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