From 22cfefb56b53103a99908ec63311e61c217eaffe Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Mon, 5 Feb 2007 16:39:03 -0800 Subject: [PATCH] [SCSI] scsi_kmap_atomic_sg(): check that local irqs are disabled The KM_BIO_SRC_IRQ kmap slot must be taken with local irqs disabled. Add a check into scsi for this. Cc: James Bottomley Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- drivers/scsi/scsi_lib.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 503f09c2f05f..0f9b6c275417 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -2250,6 +2250,8 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count, size_t sg_len = 0, len_complete = 0; struct page *page; + WARN_ON(!irqs_disabled()); + for (i = 0; i < sg_count; i++) { len_complete = sg_len; /* Complete sg-entries */ sg_len += sg[i].length; -- 2.34.1