From 82a5bd6a7b1b60b5d357e2e4b93b914f57314016 Mon Sep 17 00:00:00 2001 From: Sebastian Siewior Date: Sat, 14 Feb 2009 23:26:18 +0000 Subject: [PATCH] net/mv643xx: use GFP_ATOMIC while atomic dev_set_rx_mode() grabs netif_addr_lock_bh(): |BUG: sleeping function called from invalid context at /home/bigeasy/git/cryptodev-2.6/mm/slub.c:1599 |in_atomic(): 1, irqs_disabled(): 0, pid: 859, name: ifconfig |2 locks held by ifconfig/859: | #0: (rtnl_mutex){--..}, at: [] rtnl_lock+0x18/0x20 | #1: (_xmit_ETHER){-...}, at: [] dev_set_rx_mode+0x1c/0x30 |[] (dump_stack+0x0/0x14) from [] (__might_sleep+0x11c/0x13c) |[] (__might_sleep+0x0/0x13c) from [] (kmem_cache_alloc+0x30/0xd4) | r5:c78093a0 r4:c034a47c |[] (kmem_cache_alloc+0x0/0xd4) from [] (mv643xx_eth_set_rx_mode+0x70/0x188) |[] (mv643xx_eth_set_rx_mode+0x0/0x188) from [] (__dev_set_rx_mode+0x40/0xac) |[] (__dev_set_rx_mode+0x0/0xac) from [] (dev_set_rx_mode+0x24/0x30) | r6:00001043 r5:c78090f8 r4:c7809000 |[] (dev_set_rx_mode+0x0/0x30) from [] (dev_open+0xe4/0x114) | r5:c7809350 r4:c7809000 |[] (dev_open+0x0/0x114) from [] (dev_change_flags+0xb0/0x190) | r5:00000041 r4:c7809000 |[] (dev_change_flags+0x0/0x190) from [] (devinet_ioctl+0x2f0/0x710) | r7:c7221e70 r6:c7aadb00 r5:00000000 r4:00000001 |[] (devinet_ioctl+0x0/0x710) from [] (inet_ioctl+0xd4/0x110) |[] (inet_ioctl+0x0/0x110) from [] (sock_ioctl+0x1f4/0x254) | r4:c7242b40 |[] (sock_ioctl+0x0/0x254) from [] (vfs_ioctl+0x38/0x98) | r6:beec9bb8 r5:00008914 r4:c7242b40 |[] (vfs_ioctl+0x0/0x98) from [] (do_vfs_ioctl+0x484/0x4d4) | r6:00008914 r5:c7242b40 r4:c74db1c0 |[] (do_vfs_ioctl+0x0/0x4d4) from [] (sys_ioctl+0x40/0x64) |[] (sys_ioctl+0x0/0x64) from [] (ret_fast_syscall+0x0/0x2c) |[42949399.520000] r7:00000036 r6:beec9c80 r5:00000041 r4:beec9bb8 Signed-off-by: Sebastian Andrzej Siewior Acked-by: Lennert Buytenhek Signed-off-by: David S. Miller --- drivers/net/mv643xx_eth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 5f31bbb..b6ab469 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -1575,7 +1575,7 @@ oom: return; } - mc_spec = kmalloc(0x200, GFP_KERNEL); + mc_spec = kmalloc(0x200, GFP_ATOMIC); if (mc_spec == NULL) goto oom; mc_other = mc_spec + (0x100 >> 2); -- 2.7.4