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[PULL,1/7] linux-user: Use EPROTONOSUPPORT for unimplemented netlink protocols

Message ID 20200714073259.1464675-2-laurent@vivier.eu
State New
Headers show
Series [PULL,1/7] linux-user: Use EPROTONOSUPPORT for unimplemented netlink protocols | expand

Commit Message

Laurent Vivier July 14, 2020, 7:32 a.m. UTC 
From: Josh Kunz <jkz@google.com>

Linux uses the EPROTONOSUPPORT error code[1] if the users requests a
netlink socket with an unsupported netlink protocol. This change
switches linux-user to use the same code as Linux, instead of
EPFNOSUPPORT (which AFAIK is just an anachronistic version of
EAFNOSUPPORT).

Tested by compiling all linux-user targets on x86.

[1]:
https://github.com/torvalds/linux/blob/bfe91da29bfad9941d5d703d45e29f0812a20724/net/netlink/af_netlink.c#L683

Signed-off-by: Josh Kunz <jkz@google.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200707001036.1671982-1-jkz@google.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 98ea86ca81fb..e9f53340cd65 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2990,7 +2990,7 @@  static abi_long do_socket(int domain, int type, int protocol)
 #endif
          protocol == NETLINK_KOBJECT_UEVENT ||
          protocol == NETLINK_AUDIT)) {
-        return -TARGET_EPFNOSUPPORT;
+        return -TARGET_EPROTONOSUPPORT;
     }
 
     if (domain == AF_PACKET ||