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authorJeff Garzik <jeff@garzik.org>2006-12-06 20:35:31 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 08:39:31 -0800
commit3889b26bebd3e3cf5a3b95da683bab2f6462133d (patch)
tree83ca122f725e09dae209ac4e23203e7164649605 /drivers/message/i2o/device.c
parent07354a00901d103085e4376b7df0aad264c1836a (diff)
[PATCH] I2O: more error checking
i2o_scsi: handle sysfs failure i2o_device: * convert i2o_device_add() to return integer error code rather than pointer. Fortunately -nobody- checks the return code of this function, so changing has nil impact. * handle errors thrown by device_register() More work in i2o_device remains. Signed-off-by: Jeff Garzik <jeff@garzik.org> Cc: Markus Lidel <Markus.Lidel@shadowconnect.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/message/i2o/device.c')
-rw-r--r--drivers/message/i2o/device.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c
index ee183053fa2..55757af4e3b 100644
--- a/drivers/message/i2o/device.c
+++ b/drivers/message/i2o/device.c
@@ -214,18 +214,17 @@ static struct i2o_device *i2o_device_alloc(void)
* Allocate a new I2O device and initialize it with the LCT entry. The
* device is appended to the device list of the controller.
*
- * Returns a pointer to the I2O device on success or negative error code
- * on failure.
+ * Returns zero on success, or a -ve errno.
*/
-static struct i2o_device *i2o_device_add(struct i2o_controller *c,
- i2o_lct_entry * entry)
+static int i2o_device_add(struct i2o_controller *c, i2o_lct_entry *entry)
{
struct i2o_device *i2o_dev, *tmp;
+ int rc;
i2o_dev = i2o_device_alloc();
if (IS_ERR(i2o_dev)) {
printk(KERN_ERR "i2o: unable to allocate i2o device\n");
- return i2o_dev;
+ return PTR_ERR(i2o_dev);
}
i2o_dev->lct_data = *entry;
@@ -236,7 +235,9 @@ static struct i2o_device *i2o_device_add(struct i2o_controller *c,
i2o_dev->iop = c;
i2o_dev->device.parent = &c->device;
- device_register(&i2o_dev->device);
+ rc = device_register(&i2o_dev->device);
+ if (rc)
+ goto err;
list_add_tail(&i2o_dev->list, &c->devices);
@@ -270,7 +271,11 @@ static struct i2o_device *i2o_device_add(struct i2o_controller *c,
pr_debug("i2o: device %s added\n", i2o_dev->device.bus_id);
- return i2o_dev;
+ return 0;
+
+err:
+ kfree(i2o_dev);
+ return rc;
}
/**