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net: Change return codes from net/eth.c to use errorno constants 

Many functions returned -1 previously. Change them to return appropriate error
codes.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reported-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joe Hershberger 2015-03-22 17:09:04 -05:00 committed by Simon Glass
parent 84eb1fba7b
commit 05324a488b
1 changed files with 6 additions and 6 deletions
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12
net/eth.c
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@ -227,7 +227,7 @@ int eth_unregister(struct eth_device *dev)
/* No device */ /* No device */
if (!eth_devices) if (!eth_devices)
return -1; return -ENODEV;
for (cur = eth_devices; cur->next != eth_devices && cur->next != dev; for (cur = eth_devices; cur->next != eth_devices && cur->next != dev;
cur = cur->next) cur = cur->next)
@ -235,7 +235,7 @@ int eth_unregister(struct eth_device *dev)
/* Device not found */ /* Device not found */
if (cur->next != dev) if (cur->next != dev)
return -1; return -ENODEV;
cur->next = dev->next; cur->next = dev->next;
@ -368,7 +368,7 @@ int eth_init(bd_t *bis)
if (!eth_current) { if (!eth_current) {
puts("No ethernet found.\n"); puts("No ethernet found.\n");
return -1; return -ENODEV;
} }
/* Sync environment with network devices */ /* Sync environment with network devices */
@ -397,7 +397,7 @@ int eth_init(bd_t *bis)
eth_try_another(0); eth_try_another(0);
} while (old_current != eth_current); } while (old_current != eth_current);
return -1; return -ETIMEDOUT;
} }
void eth_halt(void) void eth_halt(void)
@ -413,7 +413,7 @@ void eth_halt(void)
int eth_send(void *packet, int length) int eth_send(void *packet, int length)
{ {
if (!eth_current) if (!eth_current)
return -1; return -ENODEV;
return eth_current->send(eth_current, packet, length); return eth_current->send(eth_current, packet, length);
} }
@ -421,7 +421,7 @@ int eth_send(void *packet, int length)
int eth_rx(void) int eth_rx(void)
{ {
if (!eth_current) if (!eth_current)
return -1; return -ENODEV;
return eth_current->recv(eth_current); return eth_current->recv(eth_current);
} }