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| author | Andrew Morton <akpm@osdl.org> | 2007-02-05 16:39:03 -0800 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-02-07 18:29:36 -0500 |
| commit | 22cfefb56b53103a99908ec63311e61c217eaffe (patch) | |
| tree | 94f82761269ddd07f6925aaf9817e72bd0deaf61 /drivers/scsi | |
| parent | 44746438973e4f9ed9bdf3347e75f60f105b325a (diff) | |
| download | linux-22cfefb56b53103a99908ec63311e61c217eaffe.tar.gz linux-22cfefb56b53103a99908ec63311e61c217eaffe.tar.bz2 linux-22cfefb56b53103a99908ec63311e61c217eaffe.zip | |
[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 <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | 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 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; |