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Revert "net: core: maybe return -EEXIST in __dev_alloc_name"

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This reverts commit d6f295e9def0; some userspace (in the case
we noticed it's wpa_supplicant), is relying on the current
error code to determine that a fixed name interface already
exists.

Reported-by: Jouni Malinen <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Johannes Berg authored and David S. Miller committed 2017-12-05 11:29:48 -05:00
1 parent 42d779ffc1
commit 029b6d1405
1 file changed
+1 -1
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net/core/dev.c
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@@ -1106,7 +1106,7 @@ static int __dev_alloc_name(struct net *net, const char *name, char *buf)
* when the name is long and there isn't enough space left
* for the digits, or if all bits are used.
*/
return p ? -ENFILE : -EEXIST;
return -ENFILE;
}
static int dev_alloc_name_ns(struct net *net,