Search Linux Wireless

[PATCH AUTOSEL 6.1 06/17] wifi: avoid offset calculation on NULL pointer

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Michael-CY Lee <michael-cy.lee@xxxxxxxxxxxx>

[ Upstream commit ef5828805842204dd0259ecfc132b5916c8a77ae ]

ieee80211_he_6ghz_oper() can be passed a NULL pointer
and checks for that, but already did the calculation
to inside of it before. Move it after the check.

Signed-off-by: Michael-CY Lee <michael-cy.lee@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20231122030237.31276-1-michael-cy.lee@xxxxxxxxxxxx
[rewrite commit message]
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 include/linux/ieee80211.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 870ae4cd82029..dce105f67b4d8 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2658,12 +2658,14 @@ ieee80211_he_oper_size(const u8 *he_oper_ie)
 static inline const struct ieee80211_he_6ghz_oper *
 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
 {
-	const u8 *ret = (const void *)&he_oper->optional;
+	const u8 *ret;
 	u32 he_oper_params;
 
 	if (!he_oper)
 		return NULL;
 
+	ret = (const void *)&he_oper->optional;
+
 	he_oper_params = le32_to_cpu(he_oper->he_oper_params);
 
 	if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
-- 
2.42.0





[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux