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>
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310bad04ec
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@ -123,12 +123,12 @@ static int ft1000_control(struct ft1000_device *ft1000dev,unsigned int pipe,
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if (ft1000dev == NULL )
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{
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DEBUG("NULL ft1000dev, failure\n");
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return STATUS_FAILURE;
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return -ENODEV;
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}
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else if ( ft1000dev->dev == NULL )
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{
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DEBUG("NULL ft1000dev->dev, failure\n");
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return STATUS_FAILURE;
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return -ENODEV;
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}
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ret = usb_control_msg(ft1000dev->dev,
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@ -141,11 +141,8 @@ static int ft1000_control(struct ft1000_device *ft1000dev,unsigned int pipe,
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size,
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LARGE_TIMEOUT);
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if (ret>0)
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ret = STATUS_SUCCESS;
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else
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ret = STATUS_FAILURE;
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if (ret > 0)
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ret = 0;
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return ret;
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@ -186,8 +183,6 @@ u16 ft1000_read_register(struct ft1000_device *ft1000dev, u16* Data, u16 nRegInd
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//DEBUG("ft1000_read_register: ret is %d \n", ret);
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//DEBUG("ft1000_read_register: data is %x \n", *Data);
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if ( ret != STATUS_SUCCESS )
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return STATUS_FAILURE;
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return ret;
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@ -224,9 +219,6 @@ u16 ft1000_write_register(struct ft1000_device *ft1000dev, USHORT value, u16 nRe
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0,
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LARGE_TIMEOUT );
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if ( ret != STATUS_SUCCESS )
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return STATUS_FAILURE;
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return ret;
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}
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@ -265,8 +257,6 @@ u16 ft1000_read_dpram32(struct ft1000_device *ft1000dev, USHORT indx, PUCHAR buf
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//DEBUG("ft1000_read_dpram32: ret is %d \n", ret);
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//DEBUG("ft1000_read_dpram32: ret=%d \n", ret);
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if ( ret != STATUS_SUCCESS )
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return STATUS_FAILURE;
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return ret;
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@ -306,11 +296,6 @@ u16 ft1000_write_dpram32(struct ft1000_device *ft1000dev, USHORT indx, PUCHAR bu
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cnt, //buffer size
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LARGE_TIMEOUT );
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if ( ret != STATUS_SUCCESS )
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return STATUS_FAILURE;
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return ret;
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}
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@ -357,8 +342,6 @@ u16 ft1000_read_dpram16(struct ft1000_device *ft1000dev, USHORT indx, PUCHAR buf
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//DEBUG("ft1000_read_dpram16: data is %x \n", *buffer);
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if ( ret != STATUS_SUCCESS )
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return STATUS_FAILURE;
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return ret;
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@ -406,11 +389,6 @@ u16 ft1000_write_dpram16(struct ft1000_device *ft1000dev, USHORT indx, USHORT va
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0, //buffer size
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LARGE_TIMEOUT );
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if ( ret != STATUS_SUCCESS )
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return STATUS_FAILURE;
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return ret;
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}
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