Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=22cfefb56b53103a99908ec63311e61c217eaffe
Commit: 22cfefb56b53103a99908ec63311e61c217eaffe
Parent: 44746438973e4f9ed9bdf3347e75f60f105b325a
Author: Andrew Morton <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 5 16:39:03 2007 -0800
Committer: James Bottomley <[EMAIL PROTECTED]>
CommitDate: Wed Feb 7 18:29:36 2007 -0500
[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 <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
drivers/scsi/scsi_lib.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 503f09c..0f9b6c2 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;
-
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