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| author | David S. Miller <davem@davemloft.net> | 2008-10-31 08:17:34 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-10-31 08:17:34 +0100 |
| commit | a1744d3bee19d3b9cbfb825ab316a101b9c9f109 (patch) | |
| tree | c0e2324c09beca0eb5782eb5abf241ea2b7a4a11 /include/scsi/scsi_tcq.h | |
| parent | pci: use pci_ioremap_bar() in drivers/net (diff) | |
| parent | xfrm: do not leak ESRCH to user space (diff) | |
| download | linux-a1744d3bee19d3b9cbfb825ab316a101b9c9f109.tar.xz linux-a1744d3bee19d3b9cbfb825ab316a101b9c9f109.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/p54/p54common.c
Diffstat (limited to 'include/scsi/scsi_tcq.h')
| -rw-r--r-- | include/scsi/scsi_tcq.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h index cf4c219c0b5c..17231385cb37 100644 --- a/include/scsi/scsi_tcq.h +++ b/include/scsi/scsi_tcq.h @@ -140,8 +140,18 @@ static inline struct scsi_cmnd *scsi_find_tag(struct scsi_device *sdev, int tag) */ 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; + /* + * If the shared tag map isn't already initialized, do it now. + * This saves callers from having to check ->bqt when setting up + * devices on the shared host (for libata) + */ + if (!shost->bqt) { + shost->bqt = blk_init_tags(depth); + if (!shost->bqt) + return -ENOMEM; + } + + return 0; } /** |