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Don't reuse 'ret' variable in virStorageBackendProbeTarget

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To match the convention:
ret - current function's return value
rc - other function's return values
This commit is contained in:
Ján Tomko 2014-06-05 18:19:16 +02:00
parent e9f4729a01
commit febcb89c5b
1 changed files with 11 additions and 14 deletions
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25
src/storage/storage_backend_fs.c
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@ -69,6 +69,7 @@ virStorageBackendProbeTarget(virStorageSourcePtr target,
{
int fd = -1;
int ret = -1;
int rc;
virStorageSourcePtr meta = NULL;
struct stat sb;
@ -77,17 +78,13 @@ virStorageBackendProbeTarget(virStorageSourcePtr target,
if (encryption)
*encryption = NULL;
if ((ret = virStorageBackendVolOpen(target->path, &sb,
VIR_STORAGE_VOL_FS_PROBE_FLAGS)) < 0)
goto error; /* Take care to propagate ret, it is not always -1 */
fd = ret;
if ((rc = virStorageBackendVolOpen(target->path, &sb,
VIR_STORAGE_VOL_FS_PROBE_FLAGS)) < 0)
return rc; /* Take care to propagate rc, it is not always -1 */
fd = rc;
if ((ret = virStorageBackendUpdateVolTargetInfoFD(target, fd,
&sb, true)) < 0) {
if (virStorageBackendUpdateVolTargetInfoFD(target, fd, &sb, true) < 0)
goto error;
}
ret = -1;
if (S_ISDIR(sb.st_mode)) {
target->format = VIR_STORAGE_FILE_DIR;
@ -104,10 +101,13 @@ virStorageBackendProbeTarget(virStorageSourcePtr target,
VIR_FORCE_CLOSE(fd);
/* Default to success below this point */
ret = 0;
if (meta && *backingStore &&
*backingStoreFormat == VIR_STORAGE_FILE_AUTO &&
virStorageIsFile(*backingStore)) {
if ((ret = virStorageFileProbeFormat(*backingStore, -1, -1)) < 0) {
if ((rc = virStorageFileProbeFormat(*backingStore, -1, -1)) < 0) {
/* If the backing file is currently unavailable, only log an error,
* but continue. Returning -1 here would disable the whole storage
* pool, making it unavailable for even maintenance. */
@ -116,11 +116,8 @@ virStorageBackendProbeTarget(virStorageSourcePtr target,
*backingStore);
ret = -3;
} else {
*backingStoreFormat = ret;
ret = 0;
*backingStoreFormat = rc;
}
} else {
ret = 0;
}
if (meta && meta->capacity)