The function fopen() may fail, so check its return value. Signed-off-by: zhanghailiang <zhang.zhanghaili...@huawei.com> Signed-off-by: Li Liu <john.li...@huawei.com> Reviewed-by: Alex Bennée <alex.ben...@linaro.org> --- tests/bios-tables-test.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c index 045eb27..feb3b58 100644 --- a/tests/bios-tables-test.c +++ b/tests/bios-tables-test.c @@ -790,6 +790,11 @@ int main(int argc, char *argv[]) const char *arch = qtest_get_arch(); FILE *f = fopen(disk, "w"); int ret; + + if (!f) { + fprintf(stderr, "Couldn't open \"%s\": %s", disk, strerror(errno)); + return -1; + } fwrite(boot_sector, 1, sizeof boot_sector, f); fclose(f); -- 1.7.12.4