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nl80211: Get rid of unused assignment warning

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The os_snprintf() call here cannot really fail in practice, but since
its result was stored into the local variable and not checked, static
analyzers could warn about the unused assignment. Clean this up by
checking the return value.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-04-17 18:43:30 +03:00
parent 18ae3a675c
commit bd86ea0808
1 changed files with 2 additions and 0 deletions
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2
src/drivers/driver_nl80211.c
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@ -9101,6 +9101,8 @@ static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
ret = os_snprintf(path, sizeof(path), ret = os_snprintf(path, sizeof(path),
"/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast", "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
bss->ifname); bss->ifname);
if (os_snprintf_error(sizeof(path), ret))
return -1;
ret = nl80211_write_to_file(path, ret = nl80211_write_to_file(path,
!!(filter_flags & !!(filter_flags &