diff options
| author | Hante Meuleman <meuleman@broadcom.com> | 2012-11-14 18:46:18 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-11-16 14:28:59 -0500 |
| commit | 37ac5780e08e4e3ce67e8355e52d71324e9c11cd (patch) | |
| tree | 1b361725247c8b053c3f6405283250f9c8fcb482 /drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c | |
| parent | 1799ddf18597da5aa1319b089736aafd05481774 (diff) | |
| download | blackbird-obmc-linux-37ac5780e08e4e3ce67e8355e52d71324e9c11cd.tar.gz blackbird-obmc-linux-37ac5780e08e4e3ce67e8355e52d71324e9c11cd.zip | |
brcmfmac: Handle mmc exceptions during init correct.
when brcmf_sdbrcm_probe_attach results in error then cleanup
will result in null pointer access. In brcmf_sdbrcm_release and
in brcmf_ops_sdio_remove. This patch fixes order of init and
de-init.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c index c62ec2a5b271..854573386f23 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -512,6 +512,8 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func, brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_probe...\n"); ret = brcmf_sdio_probe(sdiodev); + if (ret) + dev_set_drvdata(&func->dev, NULL); } return ret; @@ -532,8 +534,12 @@ static void brcmf_ops_sdio_remove(struct sdio_func *func) sdiodev = bus_if->bus_priv.sdio; brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_remove...\n"); brcmf_sdio_remove(sdiodev); - dev_set_drvdata(&func->card->dev, NULL); dev_set_drvdata(&func->dev, NULL); + } + if (func->num == 1) { + sdiodev = dev_get_drvdata(&func->card->dev); + bus_if = sdiodev->bus_if; + dev_set_drvdata(&func->card->dev, NULL); kfree(bus_if); kfree(sdiodev); } |
