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authorKyle Moffett <mrmacman_g4@mac.com>2005-07-27 14:22:30 -0700
committerDavid S. Miller <davem@davemloft.net>2005-07-27 14:22:30 -0700
commita77be819f94fc55627ee257f496198ad703aaad4 (patch)
tree1b6d1a29f39ce0541e1248639adc496986261a13 /net
parentcbcd2a4cca1a6223e4f98661ef524919d322675e (diff)
[NET]: Fix setsockopt locking bug
On Sparc, SO_DONTLINGER support resulted in sock_reset_flag being called without lock_sock(). Signed-off-by: Kyle Moffett <mrmacman_g4@mac.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/sock.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index 8b35ccdc2b3..12f6d9a2a52 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -206,13 +206,14 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
*/
#ifdef SO_DONTLINGER /* Compatibility item... */
- switch (optname) {
- case SO_DONTLINGER:
- sock_reset_flag(sk, SOCK_LINGER);
- return 0;
+ if (optname == SO_DONTLINGER) {
+ lock_sock(sk);
+ sock_reset_flag(sk, SOCK_LINGER);
+ release_sock(sk);
+ return 0;
}
-#endif
-
+#endif
+
if(optlen<sizeof(int))
return(-EINVAL);