commit | 30c9afa6cc477f6f21f8a0b36f3b81080941a0c9 | [log] [tgz] |
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author | Joe Eykholt <jeykholt@cisco.com> | Mon Jun 15 23:22:14 2009 -0700 |
committer | James Bottomley <James.Bottomley@HansenPartnership.com> | Sun Jun 21 10:52:42 2009 -0500 |
tree | 863c391cc13e13d005e55096ff3436e973c06453 | |
parent | 111986593561fc4c94a1fba3f3cd84476fb40b22 [diff] |
fix race that can give duplicate host number 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. [jejb: added comment about unusual subtraction] Signed-off-by: Joe Eykholt <jeykholt@cisco.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>