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storage: use virCommand to avoid compiler warning

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clang didn't like the last increment to nargs.  But why even
track nargs ourselves, when virCommand does it for us?

* src/storage/storage_backend_iscsi.c
(virStorageBackendISCSIConnection): Switch to virCommand to avoid
a dead-store warning on nargs.
This commit is contained in:
Eric Blake 2011-05-03 16:14:00 -06:00
parent ead2b43357
commit f72393fa97
1 changed files with 9 additions and 27 deletions
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36
src/storage/storage_backend_iscsi.c
View File

@ -42,6 +42,7 @@
#include "memory.h"
#include "logging.h"
#include "files.h"
#include "command.h"
#define VIR_FROM_THIS VIR_FROM_STORAGE
@ -348,28 +349,11 @@ virStorageBackendISCSIConnection(const char *portal,
"--targetname", target,
NULL
};
int i;
int nargs = 0;
virCommandPtr cmd;
char *ifacename = NULL;
const char **cmdargv;
for (i = 0 ; baseargv[i] != NULL ; i++)
nargs++;
for (i = 0 ; extraargv[i] != NULL ; i++)
nargs++;
if (initiatoriqn)
nargs += 2;
if (VIR_ALLOC_N(cmdargv, nargs+1) < 0) {
virReportOOMError();
return -1;
}
nargs = 0;
for (i = 0 ; baseargv[i] != NULL ; i++)
cmdargv[nargs++] = baseargv[i];
for (i = 0 ; extraargv[i] != NULL ; i++)
cmdargv[nargs++] = extraargv[i];
cmd = virCommandNewArgs(baseargv);
virCommandAddArgSet(cmd, extraargv);
if (initiatoriqn) {
switch (virStorageBackendIQNFound(initiatoriqn, &ifacename)) {
@ -377,7 +361,8 @@ virStorageBackendISCSIConnection(const char *portal,
VIR_DEBUG("ifacename: '%s'", ifacename);
break;
case IQN_MISSING:
if (virStorageBackendCreateIfaceIQN(initiatoriqn, &ifacename) != 0) {
if (virStorageBackendCreateIfaceIQN(initiatoriqn,
&ifacename) != 0) {
goto cleanup;
}
break;
@ -385,19 +370,16 @@ virStorageBackendISCSIConnection(const char *portal,
default:
goto cleanup;
}
cmdargv[nargs++] = "--interface";
cmdargv[nargs++] = ifacename;
virCommandAddArgList(cmd, "--interface", ifacename, NULL);
}
cmdargv[nargs++] = NULL;
if (virRun(cmdargv, NULL) < 0)
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
ret = 0;
cleanup:
VIR_FREE(cmdargv);
virCommandFree(cmd);
VIR_FREE(ifacename);
return ret;