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Staging: ipack/bridges/tpci200: tpci200_slot_unmap_space() should return 0 if succeed.

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tpci200_slot_unmap_space() should return 0 if the operation was properly done. If
not, the caller will think that something wrong happened.

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Samuel Iglesias Gonsalvez 2012-05-23 15:54:42 +02:00 committed by Greg Kroah-Hartman
parent be98cc1daa
commit 38f1c53df2
1 changed files with 7 additions and 14 deletions
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21
drivers/staging/ipack/bridges/tpci200.c
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@ -551,20 +551,15 @@ out:
static int tpci200_slot_unmap_space(struct ipack_device *dev, int space)
{
int res;
struct ipack_addr_space *virt_addr_space;
struct tpci200_board *tpci200;
tpci200 = check_slot(dev);
if (tpci200 == NULL) {
res = -EINVAL;
goto out;
}
if (tpci200 == NULL)
return -EINVAL;
if (mutex_lock_interruptible(&tpci200->mutex)) {
res = -ERESTARTSYS;
goto out;
}
if (mutex_lock_interruptible(&tpci200->mutex))
return -ERESTARTSYS;
switch (space) {
case IPACK_IO_SPACE:
@ -594,9 +589,8 @@ static int tpci200_slot_unmap_space(struct ipack_device *dev, int space)
default:
pr_err("Slot [%d:%d] space number %d doesn't exist !\n",
dev->bus_nr, dev->slot, space);
res = -EINVAL;
goto out_unlock;
break;
mutex_unlock(&tpci200->mutex);
return -EINVAL;
}
iounmap(virt_addr_space->address);
@ -605,8 +599,7 @@ static int tpci200_slot_unmap_space(struct ipack_device *dev, int space)
virt_addr_space->size = 0;
out_unlock:
mutex_unlock(&tpci200->mutex);
out:
return res;
return 0;
}
static int tpci200_slot_unregister(struct ipack_device *dev)