Patch "brcmfmac: fix memleak due to calling brcmf_sdiod_sgtable_alloc() twice" has been added to the 4.12-stable tree

[<gregkh@linuxfoundation.org>]

This is a note to let you know that I've just added the patch titled

    brcmfmac: fix memleak due to calling brcmf_sdiod_sgtable_alloc() twice

to the 4.12-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     brcmfmac-fix-memleak-due-to-calling-brcmf_sdiod_sgtable_alloc-twice.patch
and it can be found in the queue-4.12 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 5f5d03143de5e0c593da4ab18fc6393c2815e108 Mon Sep 17 00:00:00 2001
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
Date: Wed, 26 Jul 2017 13:09:24 +0100
Subject: brcmfmac: fix memleak due to calling brcmf_sdiod_sgtable_alloc() twice

From: Arend Van Spriel <arend.vanspriel@broadcom.com>

commit 5f5d03143de5e0c593da4ab18fc6393c2815e108 upstream.

Due to a bugfix in wireless tree and the commit mentioned below a merge
was needed which went haywire. So the submitted change resulted in the
function brcmf_sdiod_sgtable_alloc() being called twice during the probe
thus leaking the memory of the first call.

Fixes: 4d7928959832 ("brcmfmac: switch to new platform data")
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -4168,11 +4168,6 @@ struct brcmf_sdio *brcmf_sdio_probe(stru
 		goto fail;
 	}
 
-	/* allocate scatter-gather table. sg support
-	 * will be disabled upon allocation failure.
-	 */
-	brcmf_sdiod_sgtable_alloc(bus->sdiodev);
-
 	/* Query the F2 block size, set roundup accordingly */
 	bus->blocksize = bus->sdiodev->func[2]->cur_blksize;
 	bus->roundup = min(max_roundup, bus->blocksize);


Patches currently in stable-queue which might be from arend.vanspriel@broadcom.com are

queue-4.12/brcmfmac-fix-memleak-due-to-calling-brcmf_sdiod_sgtable_alloc-twice.patch