diff options
| author |   Michael Straube <straube.linux@gmail.com> | 2021-08-19 17:29:14 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-26 10:40:27 +0200 |
| commit | 55cdf7d7b2a187d0c2bcf11ed70e2eeb192713da (patch) | |
| tree | 7273023b6ebf64d08ce4d9870af28bcb6e5fa400 /drivers/staging/r8188eu | |
| parent | staging: r8188eu: fix scheduling while atomic bugs (diff) | |
| download | linux-dev-55cdf7d7b2a187d0c2bcf11ed70e2eeb192713da.tar.xz linux-dev-55cdf7d7b2a187d0c2bcf11ed70e2eeb192713da.zip | |
staging: r8188eu: use GFP_ATOMIC under spinlock
kmalloc() in function update_bcn_wps_ie() is called under a spinlock
so the allocation have to be atomic.
-> update_beacon() <- takes a spinlock
-> update_bcn_vendor_spec_ie()
-> update_bcn_wps_ie()
Fixes: 79f712ea994de ("staging: r8188eu: Remove wrappers for kalloc() and kzalloc()")
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210819152914.17482-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/r8188eu')
| -rw-r--r-- | drivers/staging/r8188eu/core/rtw_ap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/r8188eu/core/rtw_ap.c b/drivers/staging/r8188eu/core/rtw_ap.c index 1127e9a52458..9c81cd318e62 100644 --- a/drivers/staging/r8188eu/core/rtw_ap.c +++ b/drivers/staging/r8188eu/core/rtw_ap.c @@ -1293,7 +1293,7 @@ static void update_bcn_wps_ie(struct adapter *padapter) remainder_ielen = ielen - wps_offset - wps_ielen; if (remainder_ielen > 0) { - pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_KERNEL); + pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC); if (pbackup_remainder_ie) memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen); } |