From: Roland Dreier <rolandd@cisco.com>
Date: Sun, 14 Jun 2009 20:30:45 +0000 (-0700)
Subject: mlx4_core: Don't double-free IRQs when falling back from MSI-X to INTx
X-Git-Tag: v2.6.31-rc1~336^2^5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d1fdf24b4074a8d962f9a28519c99dcdd66bdee3;p=pandora-kernel.git

mlx4_core: Don't double-free IRQs when falling back from MSI-X to INTx

When both MSI-X and legacy INTx fail to generate an interrupt, the
driver frees the MSI-X interrupts twice.  Fix this by clearing the
have_irq flag for the MSI-X interrupts when they are freed the first
time.  This is the same bug that was reported in ib_mthca by Yinghai
Lu <yhlu.kernel@gmail.com>.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
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