This is a note to let you know that I've just added the patch titled
spi: dw: fix kernel crash due to NULL pointer dereference
to the 3.16-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:
spi-dw-fix-kernel-crash-due-to-null-pointer-dereference.patch
and it can be found in the queue-3.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 08a707b87874eaaa0f336ab604ecd6e5e9f286dd Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date: Wed, 27 Aug 2014 19:26:08 +0300
Subject: spi: dw: fix kernel crash due to NULL pointer dereference
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
commit 08a707b87874eaaa0f336ab604ecd6e5e9f286dd upstream.
The obvious fix after the commit d9c73bb8a3a5 "spi: dw: add support for gpio
controlled chip select". This patch fixes the issue by using locally defined
temporary variable.
Fixes: d9c73bb8a3a5 (spi: dw: add support for gpio controlled chip select)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi-dw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -271,7 +271,7 @@ static void giveback(struct dw_spi *dws)
transfer_list);
if (!last_transfer->cs_change)
- spi_chip_sel(dws, dws->cur_msg->spi, 0);
+ spi_chip_sel(dws, msg->spi, 0);
spi_finalize_current_message(dws->master);
}
Patches currently in stable-queue which might be from andriy.shevchenko@xxxxxxxxxxxxxxx are
queue-3.16/spi-dw-pci-fix-bug-when-regs-left-uninitialized.patch
queue-3.16/spi-dw-fix-kernel-crash-due-to-null-pointer-dereference.patch
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