korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-12 05:24:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

net: cdc-ncm: Move spin_lock_bh() to spin_lock()

Browse Source 
It is unnecessary to call spin_lock_bh() for you are already in a tasklet.

Signed-off-by: Yunbo Yu <yuyunbo519@gmail.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yunbo Yu 2022-04-18 22:18:12 +08:00 committed by David S. Miller
parent f70925bf99
commit f1ed409fb1
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/usb/cdc_ncm.c
View File

@ -1492,19 +1492,19 @@ static void cdc_ncm_txpath_bh(struct tasklet_struct *t)
struct cdc_ncm_ctx *ctx = from_tasklet(ctx, t, bh);
struct usbnet *dev = ctx->dev;
spin_lock_bh(&ctx->mtx);
spin_lock(&ctx->mtx);
if (ctx->tx_timer_pending != 0) {
ctx->tx_timer_pending--;
cdc_ncm_tx_timeout_start(ctx);
spin_unlock_bh(&ctx->mtx);
spin_unlock(&ctx->mtx);
} else if (dev->net != NULL) {
ctx->tx_reason_timeout++; /* count reason for transmitting */
spin_unlock_bh(&ctx->mtx);
spin_unlock(&ctx->mtx);
netif_tx_lock_bh(dev->net);
usbnet_start_xmit(NULL, dev->net);
netif_tx_unlock_bh(dev->net);
} else {
spin_unlock_bh(&ctx->mtx);
spin_unlock(&ctx->mtx);
}
}