osd_schedule_callback() is called from VmbusOnMsgDPC() which runs in a tasklet. Avoid possible sleeping by using GFP_ATOMIC for the memory allocation. Seems to fix #16701. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16701 Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> Cc: Hank Janssen <hjanssen@xxxxxxxxxxxxx> Signed-off-by: Timo TerÃs <timo.teras@xxxxxx> --- drivers/staging/hv/osd.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c index 8c3eb27..eb9b20d 100644 --- a/drivers/staging/hv/osd.c +++ b/drivers/staging/hv/osd.c @@ -214,7 +214,7 @@ int osd_schedule_callback(struct workqueue_struct *wq, { struct osd_callback_struct *cb; - cb = kmalloc(sizeof(*cb), GFP_KERNEL); + cb = kmalloc(sizeof(*cb), GFP_ATOMIC); if (!cb) { printk(KERN_ERR "unable to allocate memory in osd_schedule_callback\n"); return -1; -- 1.7.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
