From: Ralph Wuerthner <rwuerthn@de.ibm.com>
Date: Mon, 19 Mar 2007 12:19:19 +0000 (+0100)
Subject: [S390] zcrypt: fix possible race when unloading zcrypt driver modules
X-Git-Tag: v2.6.21-rc5~55^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43a867a2d2a119c744bab6dc8d3e1da6809d7141;p=pandora-kernel.git

[S390] zcrypt: fix possible race when unloading zcrypt driver modules

Move try_module_get() call into spin protected block to prevent zcrypt
driver module unload while submitting a request to driver.

Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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