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wifi: rt2x00: simplify rt2x00crypto_rx_insert_iv()

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In 'rt2x00crypto_rx_insert_iv()', added alignment can't exceed 3
bytes and ICV size is either 4 or 8 bytes, so skb space adjustment
may be simplified. Compile tested only.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231019070750.17911-1-dmantipov@yandex.ru
This commit is contained in:
Dmitry Antipov
2023-10-19 10:06:09 +03:00
committed by Kalle Valo
parent 50180c7f8e
commit 173b0fb47c
1 changed files with 1 additions and 4 deletions
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drivers/net/wireless/ralink/rt2x00/rt2x00crypto.c
+1 -4
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@@ -197,10 +197,7 @@ void rt2x00crypto_rx_insert_iv(struct sk_buff *skb,
transfer += header_length;
} else {
skb_push(skb, iv_len + align);
if (align < icv_len)
skb_put(skb, icv_len - align);
else if (align > icv_len)
skb_trim(skb, rxdesc->size + iv_len + icv_len);
skb_put(skb, icv_len - align);
/* Move ieee80211 header */
memmove(skb->data + transfer,