staging: ft1000: Use specific error return value.

Signed-off-by: Marek Belisko <marek.belisko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Marek Belisko 2010-10-14 13:36:11 +02:00 committed by Greg Kroah-Hartman
parent f9d173736b
commit 310bad04ec
1 changed files with 4 additions and 26 deletions

View File

@ -123,12 +123,12 @@ static int ft1000_control(struct ft1000_device *ft1000dev,unsigned int pipe,
if (ft1000dev == NULL )
{
DEBUG("NULL ft1000dev, failure\n");
return STATUS_FAILURE;
return -ENODEV;
}
else if ( ft1000dev->dev == NULL )
{
DEBUG("NULL ft1000dev->dev, failure\n");
return STATUS_FAILURE;
return -ENODEV;
}
ret = usb_control_msg(ft1000dev->dev,
@ -141,11 +141,8 @@ static int ft1000_control(struct ft1000_device *ft1000dev,unsigned int pipe,
size,
LARGE_TIMEOUT);
if (ret>0)
ret = STATUS_SUCCESS;
else
ret = STATUS_FAILURE;
if (ret > 0)
ret = 0;
return ret;
@ -186,8 +183,6 @@ u16 ft1000_read_register(struct ft1000_device *ft1000dev, u16* Data, u16 nRegInd
//DEBUG("ft1000_read_register: ret is %d \n", ret);
//DEBUG("ft1000_read_register: data is %x \n", *Data);
if ( ret != STATUS_SUCCESS )
return STATUS_FAILURE;
return ret;
@ -224,9 +219,6 @@ u16 ft1000_write_register(struct ft1000_device *ft1000dev, USHORT value, u16 nRe
0,
LARGE_TIMEOUT );
if ( ret != STATUS_SUCCESS )
return STATUS_FAILURE;
return ret;
}
@ -265,8 +257,6 @@ u16 ft1000_read_dpram32(struct ft1000_device *ft1000dev, USHORT indx, PUCHAR buf
//DEBUG("ft1000_read_dpram32: ret is %d \n", ret);
//DEBUG("ft1000_read_dpram32: ret=%d \n", ret);
if ( ret != STATUS_SUCCESS )
return STATUS_FAILURE;
return ret;
@ -306,11 +296,6 @@ u16 ft1000_write_dpram32(struct ft1000_device *ft1000dev, USHORT indx, PUCHAR bu
cnt, //buffer size
LARGE_TIMEOUT );
if ( ret != STATUS_SUCCESS )
return STATUS_FAILURE;
return ret;
}
@ -357,8 +342,6 @@ u16 ft1000_read_dpram16(struct ft1000_device *ft1000dev, USHORT indx, PUCHAR buf
//DEBUG("ft1000_read_dpram16: data is %x \n", *buffer);
if ( ret != STATUS_SUCCESS )
return STATUS_FAILURE;
return ret;
@ -406,11 +389,6 @@ u16 ft1000_write_dpram16(struct ft1000_device *ft1000dev, USHORT indx, USHORT va
0, //buffer size
LARGE_TIMEOUT );
if ( ret != STATUS_SUCCESS )
return STATUS_FAILURE;
return ret;
}