mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING
commit
4a44cd249604e29e7b90ae796d7692f5773dd348 upstream.
vub300_enable_sdio_irq() works with mutex and need TASK_RUNNING here.
Ensure that we mark current as TASK_RUNNING for sleepable context.
[ 77.554641] do not call blocking ops when !TASK_RUNNING; state=1 set at [<
ffffffff92a72c1d>] sdio_irq_thread+0x17d/0x5b0
[ 77.554652] WARNING: CPU: 2 PID: 1983 at kernel/sched/core.c:9813 __might_sleep+0x116/0x160
[ 77.554905] CPU: 2 PID: 1983 Comm: ksdioirqd/mmc1 Tainted: G OE 6.1.0-rc5 #1
[ 77.554910] Hardware name: Intel(R) Client Systems NUC8i7BEH/NUC8BEB, BIOS BECFL357.86A.0081.2020.0504.1834 05/04/2020
[ 77.554912] RIP: 0010:__might_sleep+0x116/0x160
[ 77.554920] RSP: 0018:
ffff888107b7fdb8 EFLAGS:
00010282
[ 77.554923] RAX:
0000000000000000 RBX:
ffff888118c1b740 RCX:
0000000000000000
[ 77.554926] RDX:
0000000000000001 RSI:
0000000000000004 RDI:
ffffed1020f6ffa9
[ 77.554928] RBP:
ffff888107b7fde0 R08:
0000000000000001 R09:
ffffed1043ea60ba
[ 77.554930] R10:
ffff88821f5305cb R11:
ffffed1043ea60b9 R12:
ffffffff93aa3a60
[ 77.554932] R13:
000000000000011b R14:
7fffffffffffffff R15:
ffffffffc0558660
[ 77.554934] FS:
0000000000000000(0000) GS:
ffff88821f500000(0000) knlGS:
0000000000000000
[ 77.554937] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
[ 77.554939] CR2:
00007f8a44010d68 CR3:
000000024421a003 CR4:
00000000003706e0
[ 77.554942] Call Trace:
[ 77.554944] <TASK>
[ 77.554952] mutex_lock+0x78/0xf0
[ 77.554973] vub300_enable_sdio_irq+0x103/0x3c0 [vub300]
[ 77.554981] sdio_irq_thread+0x25c/0x5b0
[ 77.555006] kthread+0x2b8/0x370
[ 77.555017] ret_from_fork+0x1f/0x30
[ 77.555023] </TASK>
[ 77.555025] ---[ end trace
0000000000000000 ]---
Fixes:
88095e7b473a ("mmc: Add new VUB300 USB-to-SD/SDIO/MMC driver")
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/87dc45b122d26d63c80532976813c9365d7160b3.1670140888.git.deren.wu@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>