firmware-utils: mkporayfw: fix compiler warnings/errors

mkporayfw.c:376:2: error: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Werror=unused-result]

Signed-off-by: Petr Štetiar <ynezz@true.cz>

diff --git a/tools/firmware-utils/src/mkporayfw.c b/tools/firmware-utils/src/mkporayfw.c
index 6ec4f320d93caaefc464801963364f812b40a188..59790ef3f43243439a117f78bcc1c61c357f6202 100644 (file)
--- a/tools/firmware-utils/src/mkporayfw.c
+++ b/tools/firmware-utils/src/mkporayfw.c
@@ -373,8 +373,8 @@ static int read_to_buf(struct file_info *fdata, uint8_t *buf)
        }
 
        errno = 0;
-       fread(buf, fdata->file_size, 1, f);
-       if (errno != 0) {
+       size_t r = fread(buf, fdata->file_size, 1, f);
+       if (r != 1 || errno != 0) {
                ERRS("unable to read from file \"%s\"", fdata->file_name);
                goto out_close;
        }