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authorTony Lindgren <tony@atomide.com>2008-01-14 21:53:30 +0100
committerJean Delvare <khali@hyperion.delvare>2008-01-14 21:53:30 +0100
commit3e39752d5367f9087e058abe768708165e1ec373 (patch)
treebc6d749167fecc4d55bb9bf707fa16b837fa9375
parent1a1b285c24e1468afe82b09330dde5192a6e0013 (diff)
downloadlinux-stericsson-3e39752d5367f9087e058abe768708165e1ec373.tar.gz
i2c-omap: Fix NULL pointer dereferencing
This patch fixes bug #9581 reported by Marcio Buss. If kzalloc fails, omap_i2c_write_reg() tries to reset an unallocated I2C controller. Cc: Marcio Buss <marciobuss@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-rw-r--r--drivers/i2c/busses/i2c-omap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index cb55cf2ba1e9..f2552b19ea60 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -619,13 +619,13 @@ omap_i2c_probe(struct platform_device *pdev)
err_free_irq:
free_irq(dev->irq, dev);
err_unuse_clocks:
+ omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
omap_i2c_disable_clocks(dev);
omap_i2c_put_clocks(dev);
err_free_mem:
platform_set_drvdata(pdev, NULL);
kfree(dev);
err_release_region:
- omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
release_mem_region(mem->start, (mem->end - mem->start) + 1);
return r;