qemu-io: Fix memory leak
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/qemu-io.c b/qemu-io.c
index 25c282e..aa26e36 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -129,7 +129,8 @@
{
size_t *sizes = calloc(nr_iov, sizeof(size_t));
size_t count = 0;
- void *buf, *p;
+ void *buf = NULL;
+ void *p;
int i;
for (i = 0; i < nr_iov; i++) {
@@ -139,19 +140,19 @@
len = cvtnum(arg);
if (len < 0) {
printf("non-numeric length argument -- %s\n", arg);
- return NULL;
+ goto fail;
}
/* should be SIZE_T_MAX, but that doesn't exist */
if (len > UINT_MAX) {
printf("too large length argument -- %s\n", arg);
- return NULL;
+ goto fail;
}
if (len & 0x1ff) {
printf("length argument %lld is not sector aligned\n",
len);
- return NULL;
+ goto fail;
}
sizes[i] = len;
@@ -167,6 +168,7 @@
p += sizes[i];
}
+fail:
free(sizes);
return buf;
}
