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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2020-08-13 20:34:58 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-18 17:07:17 +0300 |
| commit | acac75bb451fd39344eb54fad6602dfc9482e970 (patch) | |
| tree | eef018d4593f00060e1931be0b7c65a45c1a8b79 | |
| parent | 4d7dc178ab19f2de50c2eb7c33e4e5d703cdb9e6 (diff) | |
| download | linux-acac75bb451fd39344eb54fad6602dfc9482e970.tar.xz | |
staging: rtl8192u: Do not use GFP_KERNEL in atomic context
'rtl8192_irq_rx_tasklet()' is a tasklet initialized in
'rtl8192_init_priv_task()'.
>From this function it is possible to allocate some memory with the
GFP_KERNEL flag, which is not allowed in the atomic context of a tasklet.
Use GFP_ATOMIC instead.
The call chain is:
rtl8192_irq_rx_tasklet (in r8192U_core.c)
--> rtl8192_rx_nomal (in r8192U_core.c)
--> ieee80211_rx (in ieee80211/ieee80211_rx.c)
--> RxReorderIndicatePacket (in ieee80211/ieee80211_rx.c)
Fixes: 79a5ccd97209 ("staging: rtl8192u: fix large frame size compiler warning")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20200813173458.758284-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c index 195d963c4fbb..b6fee7230ce0 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c @@ -597,7 +597,7 @@ static void RxReorderIndicatePacket(struct ieee80211_device *ieee, prxbIndicateArray = kmalloc_array(REORDER_WIN_SIZE, sizeof(struct ieee80211_rxb *), - GFP_KERNEL); + GFP_ATOMIC); if (!prxbIndicateArray) return; |