[PATCH 2/2] staging:ft1000: Use specific return error codes.

From: Marek Belisko
Date: Fri Oct 15 2010 - 03:19:50 EST


Signed-off-by: Marek Belisko <marek.belisko@xxxxxxxxx>
---
drivers/staging/ft1000/ft1000-usb/ft1000_hw.c | 30 ++++++++++++++----------
1 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
index 8498538..a218455 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
@@ -961,7 +961,7 @@ u16 init_ft1000_netdev(struct ft1000_device *ft1000dev)
if (!netdev )
{
DEBUG("init_ft1000_netdev: can not allocate network device\n");
- return STATUS_FAILURE;
+ return -ENOMEM;
}

//pInfo = (PFT1000_INFO)netdev->priv;
@@ -984,8 +984,7 @@ u16 init_ft1000_netdev(struct ft1000_device *ft1000dev)
ret_val = strict_strtoul(card_nr, 10, &gCardIndex);
if (ret_val) {
printk(KERN_ERR "Can't parse netdev\n");
- free_netdev(netdev);
- return STATUS_FAILURE;
+ goto err_net;
}

pInfo->CardNumber = gCardIndex;
@@ -993,8 +992,8 @@ u16 init_ft1000_netdev(struct ft1000_device *ft1000dev)
}
else {
printk(KERN_ERR "ft1000: Invalid device name\n");
- free_netdev(netdev);
- return STATUS_FAILURE;
+ ret_val = -ENXIO;
+ goto err_net;
}
}
else
@@ -1065,21 +1064,24 @@ u16 init_ft1000_netdev(struct ft1000_device *ft1000dev)
for (i=0; i<NUM_OF_FREE_BUFFERS; i++) {
// Get memory for DPRAM_DATA link list
pdpram_blk = kmalloc ( sizeof(DPRAM_BLK), GFP_KERNEL );
- if (pdpram_blk == NULL)
- goto err_free;
+ if (pdpram_blk == NULL) {
+ ret_val = -ENOMEM;
+ goto err_free;
+ }
// Get a block of memory to store command data
pdpram_blk->pbuffer = kmalloc ( MAX_CMD_SQSIZE, GFP_KERNEL );
- if (pdpram_blk->pbuffer == NULL) {
- kfree(pdpram_blk);
- goto err_free;
- }
+ if (pdpram_blk->pbuffer == NULL) {
+ ret_val = -ENOMEM;
+ kfree(pdpram_blk);
+ goto err_free;
+ }
// link provisioning data
list_add_tail (&pdpram_blk->list, &freercvpool);
}
numofmsgbuf = NUM_OF_FREE_BUFFERS;


- return STATUS_SUCCESS;
+ return 0;


err_free:
@@ -1089,7 +1091,9 @@ err_free:
kfree(pdpram_blk->pbuffer);
kfree(pdpram_blk);
}
- return STATUS_FAILURE;
+err_net:
+ free_netdev(netdev);
+ return ret_val;
}


--
1.7.1

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