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Use correct function to verify if a task has been queued. Avoids race 

that can corrupt the task queue.
This commit is contained in:
mlelstv 2019-09-25 16:21:14 +00:00
parent 6b30f2aace
commit 91d113c0ba
1 changed files with 3 additions and 4 deletions
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7
sys/dev/sdmmc/if_bwfm_sdio.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_bwfm_sdio.c,v 1.5 2019/09/13 11:21:03 mlelstv Exp $ */
/* $NetBSD: if_bwfm_sdio.c,v 1.6 2019/09/25 16:21:14 mlelstv Exp $ */
/* $OpenBSD: if_bwfm_sdio.c,v 1.1 2017/10/11 17:19:50 patrick Exp $ */
/*
* Copyright (c) 2010-2016 Broadcom Corporation
@ -1267,10 +1267,9 @@ bwfm_sdio_intr(void *v)
DPRINTF(("%s: sdio_intr\n", DEVNAME(sc)));
mutex_enter(&sc->sc_intr_lock);
if (!sc->sc_task_queued) {
sc->sc_task_queued = true;
if (!sdmmc_task_pending(&sc->sc_task))
sdmmc_add_task(sc->sc_sf[1]->sc, &sc->sc_task);
}
sc->sc_task_queued = true;
mutex_exit(&sc->sc_intr_lock);
return 1;
}