Denis Kirjanov
803fafbe0c
fsl/fman: avoid sleeping in atomic context while adding an address
__dev_mc_add grabs an adress spinlock so use
atomic context in kmalloc.
/ # ifconfig eth0 inet 192.168.0.111
[ 89.331622] BUG: sleeping function called from invalid context at mm/slab.h:420
[ 89.339002] in_atomic(): 1, irqs_disabled(): 0, pid: 1035, name: ifconfig
[ 89.345799] 2 locks held by ifconfig/1035:
[ 89.349908] #0: (rtnl_mutex){+.+.}, at: [<(ptrval)>] devinet_ioctl+0xc0/0x8a0
[ 89.357258] #1: (_xmit_ETHER){+...}, at: [<(ptrval)>] __dev_mc_add+0x28/0x80
[ 89.364520] CPU: 1 PID: 1035 Comm: ifconfig Not tainted 4.16.0-rc3-dirty #8
[ 89.371464] Call Trace:
[ 89.373908] [e959db60] [c066f948] dump_stack+0xa4/0xfc (unreliable)
[ 89.380177] [e959db80] [c00671d8] ___might_sleep+0x248/0x280
[ 89.385833] [e959dba0] [c01aec34] kmem_cache_alloc_trace+0x174/0x320
[ 89.392179] [e959dbd0] [c04ab920] dtsec_add_hash_mac_address+0x130/0x240
[ 89.398874] [e959dc00] [c04a9d74] set_multi+0x174/0x1b0
[ 89.404093] [e959dc30] [c04afb68] dpaa_set_rx_mode+0x68/0xe0
[ 89.409745] [e959dc40] [c057baf8] __dev_mc_add+0x58/0x80
[ 89.415052] [e959dc60] [c060fd64] igmp_group_added+0x164/0x190
[ 89.420878] [e959dca0] [c060ffa8] ip_mc_inc_group+0x218/0x460
[ 89.426617] [e959dce0] [c06120fc] ip_mc_up+0x3c/0x190
[ 89.431662] [e959dd10] [c0607270] inetdev_event+0x250/0x620
[ 89.437227] [e959dd50] [c005f190] notifier_call_chain+0x80/0xf0
[ 89.443138] [e959dd80] [c0573a74] __dev_notify_flags+0x54/0xf0
[ 89.448964] [e959dda0] [c05743f8] dev_change_flags+0x48/0x60
[ 89.454615] [e959ddc0] [c0606744] devinet_ioctl+0x544/0x8a0
[ 89.460180] [e959de10] [c060987c] inet_ioctl+0x9c/0x1f0
[ 89.465400] [e959de80] [c05479a8] sock_ioctl+0x168/0x460
[ 89.470708] [e959ded0] [c01cf3ec] do_vfs_ioctl+0xac/0x8c0
[ 89.476099] [e959df20] [c01cfc40] SyS_ioctl+0x40/0xc0
[ 89.481147] [e959df40] [c0011318] ret_from_syscall+0x0/0x3c
[ 89.486715] --- interrupt: c01 at 0x1006943c
[ 89.486715] LR = 0x100c45ec
Signed-off-by: Denis Kirjanov <kda@linux-powerpc.org>
Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07 10:48:07 -05:00
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