Just once, two fcoe instances got the same host number from scsi_add_host(). Use atomic_t and atomic_inc_return() to get next host number. Subtract 1, so that scsi_host still starts with 0. Signed-off-by: Joe Eykholt <jeykholt@xxxxxxxxx> --- drivers/scsi/hosts.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 89d41a4..e9aaba9 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -40,7 +40,7 @@ #include "scsi_logging.h" -static int scsi_host_next_hn; /* host_no for next new host */ +static atomic_t scsi_host_next_hn; /* host_no for next new host */ static void scsi_host_cls_release(struct device *dev) @@ -333,7 +333,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) mutex_init(&shost->scan_mutex); - shost->host_no = scsi_host_next_hn++; /* XXX(hch): still racy */ + shost->host_no = atomic_inc_return(&scsi_host_next_hn) - 1; shost->dma_channel = 0xff; /* These three are default values which can be overridden */ -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
