staging: r8188eu: fix scheduling while atomic bugs

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()

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/20210819092423.4349-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 5325fe41fbeee5b0c769fa2615615c6f6c881273..508ef1d330a1dfcb153b3ff871893f1d35762f6b 100644 (file)
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -8130,13 +8130,13 @@ 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;