From: Dan Williams <dan.j.williams@intel.com>
Date: Sun, 11 Mar 2012 07:28:46 +0000 (-0800)
Subject: libata: make ata_print_id atomic
X-Git-Tag: v3.4-rc4~32^2~1
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85d6725b7c0d7e3fa4261fdd4c020be4224fc9f1;p=pandora-kernel.git

libata: make ata_print_id atomic

This variable is incremented from multiple contexts (module_init via
libata-lldds and the libsas discovery thread).  Make it atomic to head
off any chance of libsas and libata creating duplicate ids.

Acked-by: Jacek Danecki <jacek.danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---

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