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[Qemu-devel] [PATCH v7] tests/bios-tables-test: check the value returned
From: |
zhanghailiang |
Subject: |
[Qemu-devel] [PATCH v7] tests/bios-tables-test: check the value returned by fopen() |
Date: |
Mon, 18 Aug 2014 15:54:33 +0800 |
The function fopen() may fail, so check its return value.
Signed-off-by: zhanghailiang <address@hidden>
Signed-off-by: Li Liu <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
---
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
- [Qemu-devel] [PATCH v7] tests/bios-tables-test: check the value returned by fopen(),
zhanghailiang <=