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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-11-06 13:01:20 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-10 10:26:12 +0200 |
| commit | 12e4db13ea5c4baf83950dbb74663ad5fb0ac820 (patch) | |
| tree | dfa2311a26ff5d2eb8cfa1358d865d965dc4bd26 | |
| parent | 78fd4e08b5541a301bf23e928dfa79b72c0e3aa1 (diff) | |
ath9k_htc: check for underflow in ath9k_htc_rx_msg()
commit 3a318426e09a9c9266fe6440842e11238f640a20 upstream.
We check for overflow here, but we don't check for underflow so it
causes a static checker warning.
Fixes: fb9987d0f748 ('ath9k_htc: Support for AR9271 chipset.')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_hst.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index 2294709ee8b0..fd85f996c554 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -414,7 +414,7 @@ void ath9k_htc_rx_msg(struct htc_target *htc_handle, return; } - if (epid >= ENDPOINT_MAX) { + if (epid < 0 || epid >= ENDPOINT_MAX) { if (pipe_id != USB_REG_IN_PIPE) dev_kfree_skb_any(skb); else |