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* [PATCH] staging: r8188eu: fix scheduling while atomic bugs
@ 2021-08-18 14:01 Michael Straube
  0 siblings, 0 replies; only message in thread
From: Michael Straube @ 2021-08-18 14:01 UTC (permalink / raw)
  To: gregkh
  Cc: Larry.Finger, phil, martin, fmdefrancesco, linux-staging,
	linux-kernel, Michael Straube

These allocations are sometimes done under a spin lock so they
have to be atomic. The function call tree is:

-> update_beacon() <- takes a spin lock
   -> update_BCNTIM()
      -> set_tx_beacon_cmd()

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/r8188eu/core/rtw_mlme_ext.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index f6ee72d5af09..b7df269e4149 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -8129,13 +8129,13 @@ u8 set_tx_beacon_cmd(struct adapter *padapter)
 	u8 res = _SUCCESS;
 	int len_diff = 0;
 
-	ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+	ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
 	if (!ph2c) {
 		res = _FAIL;
 		goto exit;
 	}
 
-	ptxBeacon_parm = kzalloc(sizeof(struct Tx_Beacon_param), GFP_KERNEL);
+	ptxBeacon_parm = kzalloc(sizeof(struct Tx_Beacon_param), GFP_ATOMIC);
 	if (!ptxBeacon_parm) {
 		kfree(ph2c);
 		res = _FAIL;
-- 
2.32.0


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2021-08-18 14:01 [PATCH] staging: r8188eu: fix scheduling while atomic bugs Michael Straube

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