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platform: preserve errno in nm_platform_sysctl_get_int_checked()

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It's not clear whether free() changes errno. Be sure about it.

https://bugzilla.gnome.org/show_bug.cgi?id=790726
This commit is contained in:
Thomas Haller 2017-11-22 22:07:20 +01:00
parent 8060c2a930
commit 653aab70ac
1 changed files with 3 additions and 0 deletions
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3
src/platform/nm-platform.c
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@ -508,6 +508,7 @@ nm_platform_sysctl_get_int_checked (NMPlatform *self, const char *pathid, int di
{ {
char *value = NULL; char *value = NULL;
gint32 ret; gint32 ret;
int errsv;
_CHECK_SELF (self, klass, fallback); _CHECK_SELF (self, klass, fallback);
@ -522,7 +523,9 @@ nm_platform_sysctl_get_int_checked (NMPlatform *self, const char *pathid, int di
} }
ret = _nm_utils_ascii_str_to_int64 (value, base, min, max, fallback); ret = _nm_utils_ascii_str_to_int64 (value, base, min, max, fallback);
errsv = errno;
g_free (value); g_free (value);
errno = errsv;
return ret; return ret;
} }