openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

prism54: correct thinko in "prism54: Convert stats_sem in a mutex" 

mutex_trylock has different return code semantics than down_trylock...

Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
John W. Linville 2008-03-26 15:21:33 -04:00
parent cee24a3e58
commit 8dd62822dd
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/prism54/isl_ioctl.c
View File

@ -218,7 +218,7 @@ prism54_get_wireless_stats(struct net_device *ndev)
islpci_private *priv = netdev_priv(ndev);
/* If the stats are being updated return old data */
if (mutex_trylock(&priv->stats_lock) == 0) {
if (mutex_trylock(&priv->stats_lock)) {
memcpy(&priv->iwstatistics, &priv->local_iwstatistics,
sizeof (struct iw_statistics));
/* They won't be marked updated for the next time */