| Message ID | 20230215011453.73466-1-yang.lee@linux.alibaba.com |
|---|---|
| State | New |
| Headers | show |
| Series | [-next] wifi: ath12k: dp_mon: Fix unsigned comparison with less than zero | expand |
Yang Li <yang.lee@linux.alibaba.com> wrote: > The return value from the call to idr_alloc() is int. > However, the return value is being assigned to an unsigned > int variable 'buf_id', so making 'buf_id' an int. > > Eliminate the following warning: > ./drivers/net/wireless/ath/ath12k/dp_mon.c:1300:15-21: WARNING: Unsigned expression compared with zero: buf_id < 0 > > Reported-by: Abaci Robot <abaci@linux.alibaba.com> > Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4060 > Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> > Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Patch applied to ath-next branch of ath.git, thanks. 731e1b36656a wifi: ath12k: dp_mon: Fix unsigned comparison with less than zero
diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index a214797c96a2..8b3f0769dd58 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -1268,7 +1268,8 @@ int ath12k_dp_mon_buf_replenish(struct ath12k_base *ab, struct sk_buff *skb; struct hal_srng *srng; dma_addr_t paddr; - u32 cookie, buf_id; + u32 cookie; + int buf_id; srng = &ab->hal.srng_list[buf_ring->refill_buf_ring.ring_id]; spin_lock_bh(&srng->lock);
The return value from the call to idr_alloc() is int. However, the return value is being assigned to an unsigned int variable 'buf_id', so making 'buf_id' an int. Eliminate the following warning: ./drivers/net/wireless/ath/ath12k/dp_mon.c:1300:15-21: WARNING: Unsigned expression compared with zero: buf_id < 0 Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4060 Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> --- drivers/net/wireless/ath/ath12k/dp_mon.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)