The patch titled
Blackfin SPI Driver: fix NULL pointer crash
has been added to the -mm tree. Its filename is
blackfin-spi-driver-fix-null-pointer-crash.patch
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------------------------------------------------------
Subject: Blackfin SPI Driver: fix NULL pointer crash
From: Mike Frysinger <vapier.adi@xxxxxxxxx>
Fix NULL pointer crash when cleaning up from invalid platform resources.
Signed-off-by: Mike Frysinger <vapier.adi@xxxxxxxxx>
Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
Cc: David Brownell <david-b@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi_bfin5xx.c | 3 +++
1 file changed, 3 insertions(+)
diff -puN drivers/spi/spi_bfin5xx.c~blackfin-spi-driver-fix-null-pointer-crash drivers/spi/spi_bfin5xx.c
--- a/drivers/spi/spi_bfin5xx.c~blackfin-spi-driver-fix-null-pointer-crash
+++ a/drivers/spi/spi_bfin5xx.c
@@ -1139,6 +1139,9 @@ static void cleanup(struct spi_device *s
{
struct chip_data *chip = spi_get_ctldata(spi);
+ if (!chip)
+ return;
+
if ((chip->chip_select_num > 0)
&& (chip->chip_select_num <= spi->master->num_chipselect))
peripheral_free(ssel[spi->master->bus_num]
_
Patches currently in -mm which might be from vapier.adi@xxxxxxxxx are
origin.patch
video-framebuffer-move-the-probe-func-into-devinittext-in-blackfin-lcd-driver.patch
linux-next.patch
blackfin-nfc-driver-do-not-clobber-dmac1_perimux.patch
blackfin-nfc-driver-mark-bf5xx_nand_add_partition-as-__devinit.patch
blackfin-nfc-driver-drop-pointless-casts-with-set_dma_callback.patch
mtd-maps-blackfin-async-flash-maps-fix-bug-dont-leak-resources-when-initializing-in-case-of-errors.patch
mtd-maps-blackfin-async-flash-maps-bfin-async-mtd-driver-needs-complex-mappings.patch
mtd-maps-blackfin-async-flash-maps-fix-up-memory-leak.patch
blackfin-spi-driver-add-comment-about-full-duplex-dma-according-to-david-brownell.patch
blackfin-spi-driver-fix-null-pointer-crash.patch
bin_elf_fdpic-check-the-return-value-of-clear_user.patch
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