sata_mv: safer logic for limit_warnings
authorMark Lord <liml@rtr.ca>
Thu, 19 Jun 2008 01:57:42 +0000 (21:57 -0400)
committerJeff Garzik <jgarzik@redhat.com>
Fri, 4 Jul 2008 13:07:12 +0000 (09:07 -0400)
commitc7843e8f565f624b0cff7cad1370fad4cb84dfbc
tree0f8f663485fc6f7bd248d86dea7e69cd3c8b6324
parenta836d3e882161c562b3ddacee5d8842a033c5b2c
sata_mv: safer logic for limit_warnings

There is a miniscule chance that two separate host controllers
might be in sata_mv at the same time and manage to decrement
the static limit_warnings variable below zero.

Fix the comparison to deal with it.

Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/ata/sata_mv.c