| Message ID | 8fbc171a1a493b38db5a6f0873c6021fca026a6c.1620852921.git.christophe.jaillet@wanadoo.fr |
|---|---|
| State | New |
| Headers | show |
| Series | brcmsmac: mac80211_if: Fix a resource leak in an error handling path | expand |
Christophe JAILLET <christophe.jaillet@wanadoo.fr> wrote: > If 'brcms_attach()' fails, we must undo the previous 'ieee80211_alloc_hw()' > as already done in the remove function. > > Fixes: 5b435de0d786 ("net: wireless: add brcm80211 drivers") > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Patch applied to wireless-drivers-next.git, thanks. 9a25344d5177 brcmsmac: mac80211_if: Fix a resource leak in an error handling path -- https://patchwork.kernel.org/project/linux-wireless/patch/8fbc171a1a493b38db5a6f0873c6021fca026a6c.1620852921.git.christophe.jaillet@wanadoo.fr/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c index 39f3af2d0439..eadac0f5590f 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c @@ -1220,6 +1220,7 @@ static int brcms_bcma_probe(struct bcma_device *pdev) { struct brcms_info *wl; struct ieee80211_hw *hw; + int ret; dev_info(&pdev->dev, "mfg %x core %x rev %d class %d irq %d\n", pdev->id.manuf, pdev->id.id, pdev->id.rev, pdev->id.class, @@ -1244,11 +1245,16 @@ static int brcms_bcma_probe(struct bcma_device *pdev) wl = brcms_attach(pdev); if (!wl) { pr_err("%s: brcms_attach failed!\n", __func__); - return -ENODEV; + ret = -ENODEV; + goto err_free_ieee80211; } brcms_led_register(wl); return 0; + +err_free_ieee80211: + ieee80211_free_hw(hw); + return ret; } static int brcms_suspend(struct bcma_device *pdev)
If 'brcms_attach()' fails, we must undo the previous 'ieee80211_alloc_hw()' as already done in the remove function. Fixes: 5b435de0d786 ("net: wireless: add brcm80211 drivers") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- .../wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)