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staging: most: hdm-usb: use defined error codes

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This patch replaces return values with defined error codes to indicate
an exception.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2016-09-09 15:25:36 +02:00 committed by Greg Kroah-Hartman
parent c0554645a8
commit d5cfb0ff2e
1 changed files with 5 additions and 5 deletions
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10
drivers/staging/most/hdm-usb/hdm_usb.c
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@ -801,17 +801,17 @@ static int hdm_update_netinfo(struct most_dev *mdev)
if (!is_valid_ether_addr(mdev->hw_addr)) {
if (drci_rd_reg(usb_device, DRCI_REG_HW_ADDR_HI, &hi) < 0) {
dev_err(dev, "Vendor request \"hw_addr_hi\" failed\n");
return -1;
return -EFAULT;
}
if (drci_rd_reg(usb_device, DRCI_REG_HW_ADDR_MI, &mi) < 0) {
dev_err(dev, "Vendor request \"hw_addr_mid\" failed\n");
return -1;
return -EFAULT;
}
if (drci_rd_reg(usb_device, DRCI_REG_HW_ADDR_LO, &lo) < 0) {
dev_err(dev, "Vendor request \"hw_addr_low\" failed\n");
return -1;
return -EFAULT;
}
mutex_lock(&mdev->io_mutex);
@ -826,7 +826,7 @@ static int hdm_update_netinfo(struct most_dev *mdev)
if (drci_rd_reg(usb_device, DRCI_REG_NI_STATE, &link) < 0) {
dev_err(dev, "Vendor request \"link status\" failed\n");
return -1;
return -EFAULT;
}
mutex_lock(&mdev->io_mutex);
@ -1116,7 +1116,7 @@ static ssize_t store_value(struct most_dci_obj *dci_obj,
reg_addr = DRCI_REG_BASE + DRCI_COMMAND + ep * 16;
val = 1;
} else
return -EIO;
return -EFAULT;
err = drci_wr_reg(dci_obj->usb_device, reg_addr, val);
if (err < 0)