Reviewing the semaphore usage I noticed these down_interruptible calls. Most of these aren't returning anything, so a caller can't tell if the operation completed or not. prism54_wpa_bss_ie_get() returns zero, but it's treated as the function failing which doesn't seem correct. Signed-off-by: Daniel Walker --- drivers/net/wireless/prism54/isl_ioctl.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) Index: linux-2.6.23/drivers/net/wireless/prism54/isl_ioctl.c =================================================================== --- linux-2.6.23.orig/drivers/net/wireless/prism54/isl_ioctl.c +++ linux-2.6.23/drivers/net/wireless/prism54/isl_ioctl.c @@ -165,8 +165,7 @@ prism54_update_stats(struct work_struct struct obj_bss bss, *bss2; union oid_res_t r; - if (down_interruptible(&priv->stats_sem)) - return; + down(&priv->stats_sem); /* Noise floor. * I'm not sure if the unit is dBm. @@ -1793,8 +1792,7 @@ prism54_clear_mac(struct islpci_acl *acl struct list_head *ptr, *next; struct mac_entry *entry; - if (down_interruptible(&acl->sem)) - return; + down(&acl->sem); if (acl->size == 0) { up(&acl->sem); @@ -2116,8 +2114,7 @@ prism54_wpa_bss_ie_add(islpci_private *p if (wpa_ie_len > MAX_WPA_IE_LEN) wpa_ie_len = MAX_WPA_IE_LEN; - if (down_interruptible(&priv->wpa_sem)) - return; + down(&priv->wpa_sem); /* try to use existing entry */ list_for_each(ptr, &priv->bss_wpa_list) { @@ -2178,8 +2175,7 @@ prism54_wpa_bss_ie_get(islpci_private *p struct islpci_bss_wpa_ie *bss = NULL; size_t len = 0; - if (down_interruptible(&priv->wpa_sem)) - return 0; + down(&priv->wpa_sem); list_for_each(ptr, &priv->bss_wpa_list) { bss = list_entry(ptr, struct islpci_bss_wpa_ie, list); -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/