[media] s5p-jpeg: return error immediately after get_byte fails

When parsing JPEG header s5p_jpeg_parse_hdr function
should return immediately in case there was an error
while reading a byte.
Signed-off-by: NJacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/platform/s5p-jpeg/jpeg-core.c

@@ -906,14 +906,14 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result,
 	while (notfound) {
 		c = get_byte(&jpeg_buffer);
 		if (c == -1)
-			break;
+			return false;
 		if (c != 0xff)
 			continue;
 		do
 			c = get_byte(&jpeg_buffer);
 		while (c == 0xff);
 		if (c == -1)
-			break;
+			return false;
 		if (c == 0)
 			continue;
 		length = 0;