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xenconfig: check return value of regcomp

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Commit ec63000a missed checking the return value of regcomp(),
which coverity promptly identified.
This commit is contained in:
Jim Fehlig 2016-01-12 11:34:06 -07:00
parent 50078cfbcb
commit 71daae9671
1 changed files with 11 additions and 1 deletions
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12
src/xenconfig/xen_sxpr.c
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@ -325,6 +325,7 @@ xenParseSxprVifRate(const char *rate, unsigned long long *kbytes_per_sec)
char *trate = NULL;
char *p;
regex_t rec;
int err;
char *suffix;
unsigned long long tmp;
int ret = -1;
@ -336,7 +337,16 @@ xenParseSxprVifRate(const char *rate, unsigned long long *kbytes_per_sec)
if (p != NULL)
*p = 0;
regcomp(&rec, vif_bytes_per_sec_re, REG_EXTENDED|REG_NOSUB);
err = regcomp(&rec, vif_bytes_per_sec_re, REG_EXTENDED|REG_NOSUB);
if (err != 0) {
char error[100];
regerror(err, &rec, error, sizeof(error));
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to compile regular expression '%s': %s"),
vif_bytes_per_sec_re, error);
goto cleanup;
}
if (regexec(&rec, trate, 0, NULL, 0)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Invalid rate '%s' specified"), rate);