提交 e37bcbd9 编写于 作者: J Ján Tomko

Report errors in virNodeCountThreadSiblings

Use virFileReadAll which reports an error when the file is larger
than the specified maximum.

https://bugzilla.redhat.com/show_bug.cgi?id=1207849
上级 815dc963
......@@ -344,7 +344,6 @@ virNodeCountThreadSiblings(const char *dir, unsigned int cpu)
{
unsigned long ret = 0;
char *path;
FILE *pathfp;
char *str = NULL;
size_t i;
......@@ -352,26 +351,15 @@ virNodeCountThreadSiblings(const char *dir, unsigned int cpu)
dir, cpu) < 0)
return 0;
pathfp = fopen(path, "r");
if (pathfp == NULL) {
if (!virFileExists(path)) {
/* If file doesn't exist, then pretend our only
* sibling is ourself */
if (errno == ENOENT) {
VIR_FREE(path);
return 1;
}
virReportSystemError(errno, _("cannot open %s"), path);
VIR_FREE(path);
return 0;
}
if (VIR_ALLOC_N(str, SYSFS_THREAD_SIBLINGS_LIST_LENGTH_MAX) < 0)
ret = 1;
goto cleanup;
}
if (fgets(str, SYSFS_THREAD_SIBLINGS_LIST_LENGTH_MAX, pathfp) == NULL) {
virReportSystemError(errno, _("cannot read from %s"), path);
if (virFileReadAll(path, SYSFS_THREAD_SIBLINGS_LIST_LENGTH_MAX, &str) < 0)
goto cleanup;
}
i = 0;
while (str[i] != '\0') {
......@@ -386,9 +374,7 @@ virNodeCountThreadSiblings(const char *dir, unsigned int cpu)
cleanup:
VIR_FREE(str);
VIR_FORCE_FCLOSE(pathfp);
VIR_FREE(path);
return ret;
}
......
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