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authorIan Munsie <imunsie@au1.ibm.com>2015-02-04 19:10:38 +1100
committerSasha Levin <sasha.levin@oracle.com>2015-03-23 21:02:54 -0400
commitda7a05331943f70380ceb71a6e2d462d6196334c (patch)
tree03b6b9e79f2e8adffc468647a4c5a377a501ded2
parent3bc64c1b582e4de917fbbdeaec199864ec8194af (diff)
cxl: Add missing return statement after handling AFU errror
commit a6130ed253a931d2169c26ab0958d81b0dce4d6e upstream. We were missing a return statement in the PSL interrupt handler in the case of an AFU error, which would trigger an "Unhandled CXL PSL IRQ" warning. We do actually handle these type of errors (by notifying userspace), so add the missing return IRQ_HANDLED so we don't throw unecessary warnings. Signed-off-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/misc/cxl/irq.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c
index 336020c8e1af..6fe4027feb7d 100644
--- a/drivers/misc/cxl/irq.c
+++ b/drivers/misc/cxl/irq.c
@@ -174,6 +174,7 @@ static irqreturn_t cxl_irq(int irq, void *data)
}
cxl_ack_irq(ctx, CXL_PSL_TFC_An_A, 0);
+ return IRQ_HANDLED;
}
if (dsisr & CXL_PSL_DSISR_An_OC)
pr_devel("CXL interrupt: OS Context Warning\n");