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authorChristian Gromm <christian.gromm@microchip.com>2016-09-09 15:25:36 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-12 09:47:15 +0200
commitd5cfb0ff2e628ae07f7226e7cfe8684b7c186e0e (patch)
tree44523be1657b9d4b3b36e881082a4c2ec6f93b0e /drivers/staging/most
parentc0554645a8c5a2fe6dd3dceb17a906f407e5bbf9 (diff)
staging: most: hdm-usb: use defined error codes
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>
Diffstat (limited to 'drivers/staging/most')
-rw-r--r--drivers/staging/most/hdm-usb/hdm_usb.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/most/hdm-usb/hdm_usb.c b/drivers/staging/most/hdm-usb/hdm_usb.c
index da47253f0f34..5d62d1bf4dc3 100644
--- a/drivers/staging/most/hdm-usb/hdm_usb.c
+++ b/drivers/staging/most/hdm-usb/hdm_usb.c
@@ -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)