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authorJeff Cody <jcody@redhat.com>2015-01-22 08:03:25 -0500
committerKevin Wolf <kwolf@redhat.com>2015-01-23 18:17:05 +0100
commit395a22fae064df64d987d703cf70ae0f57306be8 (patch)
treed6f2875afacf80a39ae5187e4e7b7b0bff3b9bee
parentf30136b35a271109b89353b9a5349cf32e6aeda7 (diff)
block: vmdk - make ret variable usage clear
Keep the variable 'ret' something that is returned by the function it is defined in. For the return value of 'sscanf', use a more meaningful variable name. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block/vmdk.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/block/vmdk.c b/block/vmdk.c
index 52cb8888e5..dc6459cc00 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -785,6 +785,7 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
const char *desc_file_path, Error **errp)
{
int ret;
+ int matches;
char access[11];
char type[11];
char fname[512];
@@ -796,6 +797,7 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
BDRVVmdkState *s = bs->opaque;
VmdkExtent *extent;
+
while (*p) {
/* parse extent line in one of below formats:
*
@@ -805,23 +807,23 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
* RW [size in sectors] VMFSSPARSE "file-name.vmdk"
*/
flat_offset = -1;
- ret = sscanf(p, "%10s %" SCNd64 " %10s \"%511[^\n\r\"]\" %" SCNd64,
- access, &sectors, type, fname, &flat_offset);
- if (ret < 4 || strcmp(access, "RW")) {
+ matches = sscanf(p, "%10s %" SCNd64 " %10s \"%511[^\n\r\"]\" %" SCNd64,
+ access, &sectors, type, fname, &flat_offset);
+ if (matches < 4 || strcmp(access, "RW")) {
goto next_line;
} else if (!strcmp(type, "FLAT")) {
- if (ret != 5 || flat_offset < 0) {
+ if (matches != 5 || flat_offset < 0) {
error_setg(errp, "Invalid extent lines: \n%s", p);
return -EINVAL;
}
} else if (!strcmp(type, "VMFS")) {
- if (ret == 4) {
+ if (matches == 4) {
flat_offset = 0;
} else {
error_setg(errp, "Invalid extent lines:\n%s", p);
return -EINVAL;
}
- } else if (ret != 4) {
+ } else if (matches != 4) {
error_setg(errp, "Invalid extent lines:\n%s", p);
return -EINVAL;
}