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| author | Tony Lindgren <tony@atomide.com> | 2008-01-14 20:53:30 (GMT) |
|---|---|---|
| committer | Jean Delvare <khali@hyperion.delvare> | 2008-01-14 20:53:30 (GMT) |
| commit | 3e39752d5367f9087e058abe768708165e1ec373 (patch) | |
| tree | bc6d749167fecc4d55bb9bf707fa16b837fa9375 /drivers/i2c/busses/i2c-omap.c | |
| parent | 1a1b285c24e1468afe82b09330dde5192a6e0013 (diff) | |
| download | linux-fsl-qoriq-3e39752d5367f9087e058abe768708165e1ec373.tar.xz | |
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>
Diffstat (limited to 'drivers/i2c/busses/i2c-omap.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-omap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index cb55cf2..f2552b1 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; |