These functions can't fail really. Drop checking of their retval then. Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx> --- src/libxl/libxl_logger.c | 3 +-- src/qemu/qemu_domain.c | 6 ++---- src/util/viraudit.c | 3 +-- src/util/vircommand.c | 12 ++---------- src/util/virerror.c | 6 ++---- src/util/virfile.c | 29 ++++++----------------------- src/util/virfirewall.c | 8 ++------ src/util/virlog.c | 3 +-- tests/eventtest.c | 4 ++-- tests/qemumonitortestutils.c | 4 +--- tools/virt-host-validate-common.c | 10 ++-------- tools/vsh.c | 16 ++++------------ 12 files changed, 26 insertions(+), 78 deletions(-) diff --git a/src/libxl/libxl_logger.c b/src/libxl/libxl_logger.c index ffbc722f2c..63e2df046f 100644 --- a/src/libxl/libxl_logger.c +++ b/src/libxl/libxl_logger.c @@ -74,8 +74,7 @@ libvirt_vmessage(xentoollog_logger *logger_in, if (level < lg->minLevel) return; - if (virVasprintf(&message, format, args) < 0) - return; + virVasprintf(&message, format, args); /* Should we print to a domain-specific log file? */ if ((start = strstr(message, ": Domain ")) && diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index fe97e13c4f..a2eac8f579 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -9396,8 +9396,7 @@ int qemuDomainLogContextWrite(qemuDomainLogContextPtr ctxt, va_start(argptr, fmt); - if (virVasprintf(&message, fmt, argptr) < 0) - goto cleanup; + virVasprintf(&message, fmt, argptr); if (!ctxt->manager && lseek(ctxt->writefd, 0, SEEK_END) < 0) { virReportSystemError(errno, "%s", @@ -9490,8 +9489,7 @@ qemuDomainLogAppendMessage(virQEMUDriverPtr driver, va_start(ap, fmt); - if (virVasprintf(&message, fmt, ap) < 0) - goto cleanup; + virVasprintf(&message, fmt, ap); VIR_DEBUG("Append log message (vm='%s' message='%s) stdioLogD=%d", vm->def->name, message, cfg->stdioLogD); diff --git a/src/util/viraudit.c b/src/util/viraudit.c index 8a0ef6f72c..1210ba8c94 100644 --- a/src/util/viraudit.c +++ b/src/util/viraudit.c @@ -110,8 +110,7 @@ void virAuditSend(virLogSourcePtr source, #endif va_start(args, fmt); - if (virVasprintf(&str, fmt, args) < 0) - VIR_WARN("Out of memory while formatting audit message"); + virVasprintf(&str, fmt, args); va_end(args); if (auditlog && str) { diff --git a/src/util/vircommand.c b/src/util/vircommand.c index 223a2a824e..4b9e837ff0 100644 --- a/src/util/vircommand.c +++ b/src/util/vircommand.c @@ -1324,11 +1324,7 @@ virCommandAddEnvFormat(virCommandPtr cmd, const char *format, ...) return; va_start(list, format); - if (virVasprintf(&env, format, list) < 0) { - cmd->has_error = ENOMEM; - va_end(list); - return; - } + virVasprintf(&env, format, list); va_end(list); virCommandAddEnv(cmd, env); @@ -1557,11 +1553,7 @@ virCommandAddArgFormat(virCommandPtr cmd, const char *format, ...) return; va_start(list, format); - if (virVasprintf(&arg, format, list) < 0) { - cmd->has_error = ENOMEM; - va_end(list); - return; - } + virVasprintf(&arg, format, list); va_end(list); /* Arg plus trailing NULL. */ diff --git a/src/util/virerror.c b/src/util/virerror.c index 5403caf025..a5e43361b8 100644 --- a/src/util/virerror.c +++ b/src/util/virerror.c @@ -830,7 +830,7 @@ virRaiseErrorFull(const char *filename, } else { va_list ap; va_start(ap, fmt); - ignore_value(virVasprintf(&str, fmt, ap)); + virVasprintf(&str, fmt, ap); va_end(ap); } @@ -1485,15 +1485,13 @@ virLastErrorPrefixMessage(const char *fmt, ...) va_start(args, fmt); - if (virVasprintf(&fmtmsg, fmt, args) < 0) - goto cleanup; + virVasprintf(&fmtmsg, fmt, args); newmsg = g_strdup_printf("%s: %s", fmtmsg, err->message); VIR_FREE(err->message); err->message = g_steal_pointer(&newmsg); - cleanup: va_end(args); errno = save_errno; } diff --git a/src/util/virfile.c b/src/util/virfile.c index 042847137d..d2407e7068 100644 --- a/src/util/virfile.c +++ b/src/util/virfile.c @@ -3387,8 +3387,7 @@ int virFilePrintf(FILE *fp, const char *msg, ...) va_start(vargs, msg); - if (virVasprintf(&str, msg, vargs) < 0) - goto cleanup; + virVasprintf(&str, msg, vargs); ret = strlen(str); if (fwrite(str, 1, ret, fp) != ret) { @@ -3397,7 +3396,6 @@ int virFilePrintf(FILE *fp, const char *msg, ...) ret = -1; } - cleanup: va_end(vargs); return ret; @@ -4149,10 +4147,7 @@ virFileReadValueInt(int *value, const char *format, ...) va_list ap; va_start(ap, format); - if (virVasprintf(&path, format, ap) < 0) { - va_end(ap); - return -1; - } + virVasprintf(&path, format, ap); va_end(ap); if (!virFileExists(path)) @@ -4192,10 +4187,7 @@ virFileReadValueUint(unsigned int *value, const char *format, ...) va_list ap; va_start(ap, format); - if (virVasprintf(&path, format, ap) < 0) { - va_end(ap); - return -1; - } + virVasprintf(&path, format, ap); va_end(ap); if (!virFileExists(path)) @@ -4236,10 +4228,7 @@ virFileReadValueScaledInt(unsigned long long *value, const char *format, ...) va_list ap; va_start(ap, format); - if (virVasprintf(&path, format, ap) < 0) { - va_end(ap); - return -1; - } + virVasprintf(&path, format, ap); va_end(ap); if (!virFileExists(path)) @@ -4282,10 +4271,7 @@ virFileReadValueBitmap(virBitmapPtr *value, const char *format, ...) va_list ap; va_start(ap, format); - if (virVasprintf(&path, format, ap) < 0) { - va_end(ap); - return -1; - } + virVasprintf(&path, format, ap); va_end(ap); if (!virFileExists(path)) @@ -4323,10 +4309,7 @@ virFileReadValueString(char **value, const char *format, ...) va_list ap; va_start(ap, format); - if (virVasprintf(&path, format, ap) < 0) { - va_end(ap); - return -1; - } + virVasprintf(&path, format, ap); va_end(ap); if (!virFileExists(path)) diff --git a/src/util/virfirewall.c b/src/util/virfirewall.c index fc2c7248cb..55dfc65d0f 100644 --- a/src/util/virfirewall.c +++ b/src/util/virfirewall.c @@ -509,19 +509,15 @@ void virFirewallRuleAddArgFormat(virFirewallPtr firewall, VIR_FIREWALL_RULE_RETURN_IF_ERROR(firewall, rule); va_start(list, fmt); - - if (virVasprintf(&arg, fmt, list) < 0) - goto no_memory; + virVasprintf(&arg, fmt, list); + va_end(list); ADD_ARG(rule, arg); - va_end(list); - return; no_memory: firewall->err = ENOMEM; - va_end(list); } diff --git a/src/util/virlog.c b/src/util/virlog.c index f7ae47559f..d2c7b373cf 100644 --- a/src/util/virlog.c +++ b/src/util/virlog.c @@ -594,8 +594,7 @@ virLogVMessage(virLogSourcePtr source, /* * serialize the error message, add level and timestamp */ - if (virVasprintf(&str, fmt, vargs) < 0) - goto cleanup; + virVasprintf(&str, fmt, vargs); virLogFormatString(&msg, linenr, funcname, priority, str); diff --git a/tests/eventtest.c b/tests/eventtest.c index 74b2a807f3..4c553d5eb7 100644 --- a/tests/eventtest.c +++ b/tests/eventtest.c @@ -89,8 +89,8 @@ testEventReport(const char *name, bool failed, const char *msg, ...) char *str = NULL; struct testEventResultData data; - if (msg && virVasprintf(&str, msg, vargs) != 0) - failed = true; + if (msg) + virVasprintf(&str, msg, vargs); data.failed = failed; data.msg = str; diff --git a/tests/qemumonitortestutils.c b/tests/qemumonitortestutils.c index 3c93468a4e..c522ee6a83 100644 --- a/tests/qemumonitortestutils.c +++ b/tests/qemumonitortestutils.c @@ -188,15 +188,13 @@ qemuMonitorReportError(qemuMonitorTestPtr test, const char *errmsg, ...) va_start(msgargs, errmsg); - if (virVasprintf(&msg, errmsg, msgargs) < 0) - goto cleanup; + virVasprintf(&msg, errmsg, msgargs); jsonmsg = g_strdup_printf("{ \"error\": " " { \"desc\": \"%s\", " " \"class\": \"UnexpectedCommand\" } }", msg); ret = qemuMonitorTestAddResponse(test, jsonmsg); - cleanup: va_end(msgargs); return ret; } diff --git a/tools/virt-host-validate-common.c b/tools/virt-host-validate-common.c index daeb2f0e1c..bc14227864 100644 --- a/tools/virt-host-validate-common.c +++ b/tools/virt-host-validate-common.c @@ -59,10 +59,7 @@ void virHostMsgCheck(const char *prefix, return; va_start(args, format); - if (virVasprintf(&msg, format, args) < 0) { - perror("malloc"); - abort(); - } + virVasprintf(&msg, format, args); va_end(args); fprintf(stdout, _("%6s: Checking %-60s: "), prefix, msg); @@ -120,10 +117,7 @@ void virHostMsgFail(virHostValidateLevel level, return; va_start(args, format); - if (virVasprintf(&msg, format, args) < 0) { - perror("malloc"); - abort(); - } + virVasprintf(&msg, format, args); va_end(args); if (virHostMsgWantEscape()) diff --git a/tools/vsh.c b/tools/vsh.c index 7af3ce237c..b1d3bcff6d 100644 --- a/tools/vsh.c +++ b/tools/vsh.c @@ -1855,11 +1855,7 @@ vshDebug(vshControl *ctl, int level, const char *format, ...) va_end(ap); va_start(ap, format); - if (virVasprintf(&str, format, ap) < 0) { - /* Skip debug messages on low memory */ - va_end(ap); - return; - } + virVasprintf(&str, format, ap); va_end(ap); fputs(str, stdout); VIR_FREE(str); @@ -1875,8 +1871,7 @@ vshPrintExtra(vshControl *ctl, const char *format, ...) return; va_start(ap, format); - if (virVasprintf(&str, format, ap) < 0) - vshErrorOOM(); + virVasprintf(&str, format, ap); va_end(ap); fputs(str, stdout); VIR_FREE(str); @@ -1890,8 +1885,7 @@ vshPrint(vshControl *ctl G_GNUC_UNUSED, const char *format, ...) char *str; va_start(ap, format); - if (virVasprintf(&str, format, ap) < 0) - vshErrorOOM(); + virVasprintf(&str, format, ap); va_end(ap); fputs(str, stdout); VIR_FREE(str); @@ -2023,9 +2017,7 @@ vshError(vshControl *ctl, const char *format, ...) fputs(_("error: "), stderr); va_start(ap, format); - /* We can't recursively call vshError on an OOM situation, so ignore - failure here. */ - ignore_value(virVasprintf(&str, format, ap)); + virVasprintf(&str, format, ap); va_end(ap); fprintf(stderr, "%s\n", NULLSTR(str)); -- 2.21.0 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list