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Subject[net-next PATCH] IB/hns: include linux/interrupt.h
I ran into this build error on linux-next:

drivers/infiniband/hw/hns/hns_roce_eq.c:477:8: error: unknown type name 'irqreturn_t'
static irqreturn_t hns_roce_msi_x_interrupt(int irq, void *eq_ptr)
drivers/infiniband/hw/hns/hns_roce_eq.c: In function 'hns_roce_msi_x_interrupt':
drivers/infiniband/hw/hns/hns_roce_eq.c:485:9: error: implicit declaration of function 'IRQ_RETVAL'; did you mean 'BPF_RVAL'? [-Werror=implicit-function-declaration]
return IRQ_RETVAL(int_work);

I have bisected this to a seemingly unrelated change that happened
to remove some indirect header inclusions. Simply including the
required header explicitly fixes the build failure.

Fixes: 09c7570480f7 ("xfrm: remove flow cache")
Signed-off-by: Arnd Bergmann <>
drivers/infiniband/hw/hns/hns_roce_eq.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/hw/hns/hns_roce_eq.c b/drivers/infiniband/hw/hns/hns_roce_eq.c
index 50f864935a0e..b39d14b62355 100644
--- a/drivers/infiniband/hw/hns/hns_roce_eq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_eq.c
@@ -31,6 +31,7 @@

#include <linux/platform_device.h>
+#include <linux/interrupt.h>
#include "hns_roce_common.h"
#include "hns_roce_device.h"
#include "hns_roce_eq.h"
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