wr_pstats: fix for a potential bug after unloading

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

wr_pstats: fix for a potential bug after unloading
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
f447cc06 · Alessandro Rubini · 2c6d94ee · f447cc06
Commit f447cc06 authored Jun 19, 2014 by Alessandro Rubini
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wr_pstats.c kernel/wr_pstats/wr_pstats.c +2 -0

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--- a/kernel/wr_pstats/wr_pstats.c
+++ b/kernel/wr_pstats/wr_pstats.c
@@ -312,6 +312,8 @@ static void __exit pstats_exit(void)
 	pstats_irq_disable(PSTATS_ALL_MSK);
 	free_irq(WRVIC_BASE_IRQ+WR_PSTATS_IRQ, &pstats_dev);

+	wr_nic_pstats_callback = NULL;
+
 	iounmap(pstats_dev.regs);
 	unregister_sysctl_table(pstats_header);