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authorJames Bottomley <James.Bottomley@steeleye.com>2006-09-01 15:28:48 +0200
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-09-02 20:57:28 +0200
commitdeb81d80ba27da8dfabc29ccb5977db8f4942a0a (patch)
treeb4776d0eb64c1e849a40870192e9c90abd773f66 /include/scsi
parent[SCSI] stex: add shared tags from block (diff)
downloadlinux-deb81d80ba27da8dfabc29ccb5977db8f4942a0a.tar.xz
linux-deb81d80ba27da8dfabc29ccb5977db8f4942a0a.zip
[SCSI] add failure return to scsi_init_shared_tag_map()
And use it in the stex driver. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_tcq.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index 4eea254b1ce9..d04d05adfa9b 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -138,9 +138,10 @@ static inline struct scsi_cmnd *scsi_find_tag(struct scsi_device *sdev, int tag)
* @shost: the host to share the tag map among all devices
* @depth: the total depth of the map
*/
-static inline void scsi_init_shared_tag_map(struct Scsi_Host *shost, int depth)
+static inline int scsi_init_shared_tag_map(struct Scsi_Host *shost, int depth)
{
shost->bqt = blk_init_tags(depth);
+ return shost->bqt ? 0 : -ENOMEM;
}
#endif /* _SCSI_SCSI_TCQ_H */