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MLK-19091 cfg80211: make phy index match after wiphy dev is released 

During insmod/rmmod test, the phy index increases that cause troube
for test case. To make global variable wiphy_counter match between
creat and free wiphy device, it needs to decrease the atomic counter
when wiphy device is freed.

Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
pull/10/head
Andy Duan 2018-09-13 17:23:37 +08:00 committed by Jason Liu
parent 09ee88f1ea
commit ae97fd867a
1 changed files with 3 additions and 2 deletions
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5
net/wireless/core.c
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@ -41,6 +41,8 @@ MODULE_ALIAS_GENL_FAMILY(NL80211_GENL_NAME);
LIST_HEAD(cfg80211_rdev_list);
int cfg80211_rdev_list_generation;
static atomic_t wiphy_counter = ATOMIC_INIT(0);
/* for debugfs */
static struct dentry *ieee80211_debugfs_dir;
@ -383,8 +385,6 @@ static void cfg80211_propagate_cac_done_wk(struct work_struct *work)
struct wiphy *wiphy_new_nm(const struct cfg80211_ops *ops, int sizeof_priv,
const char *requested_name)
{
static atomic_t wiphy_counter = ATOMIC_INIT(0);
struct cfg80211_registered_device *rdev;
int alloc_size;
@ -972,6 +972,7 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev)
}
list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list)
cfg80211_put_bss(&rdev->wiphy, &scan->pub);
atomic_dec(&wiphy_counter);
kfree(rdev);
}