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| author | David Vrabel <dvrabel@arcom.com> | 2006-01-19 17:56:29 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-20 13:42:57 -0800 |
| commit | 489447380a2921ec0e9154f773c44ab3167ede4b (patch) | |
| tree | 10edc2bca15765dae7699b8d26cf3d828869bc3c /drivers/i2c/busses/i2c-mv64xxx.c | |
| parent | 305b3228f9ff4d59f49e6d34a7034d44ee8ce2f0 (diff) | |
| download | lwn-489447380a2921ec0e9154f773c44ab3167ede4b.tar.gz lwn-489447380a2921ec0e9154f773c44ab3167ede4b.zip | |
[PATCH] handle errors returned by platform_get_irq*()
platform_get_irq*() now returns on -ENXIO when the resource cannot be
found. Ensure all users of platform_get_irq*() handle this error
appropriately.
Signed-off-by: David Vrabel <dvrabel@arcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-mv64xxx.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mv64xxx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index 22781d84f79f..ac5cde1bbd2b 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -516,6 +516,10 @@ mv64xxx_i2c_probe(struct platform_device *pd) drv_data->freq_m = pdata->freq_m; drv_data->freq_n = pdata->freq_n; drv_data->irq = platform_get_irq(pd, 0); + if (drv_data->irq < 0) { + rc = -ENXIO; + goto exit_unmap_regs; + } drv_data->adapter.id = I2C_HW_MV64XXX; drv_data->adapter.algo = &mv64xxx_i2c_algo; drv_data->adapter.owner = THIS_MODULE; |