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SubjectRe: [PATCH] random: remove unused argument from add_interrupt_randomness()
From a872cf4f0bb57a7bb3c95ea557082fb7733344f8 Mon Sep 17 00:00:00 2001
From: Sultan Alsawaf <sultanxda@gmail.com>
Date: Sun, 29 Apr 2018 20:04:35 -0700
Subject: [PATCH] random: remove unused argument from
add_interrupt_randomness()

The irq_flags parameter is not used. Remove it.

Signed-off-by: Sultan Alsawaf <sultanxda@gmail.com>
---
drivers/char/random.c | 4 ++--
drivers/hv/hv.c | 2 +-
drivers/hv/vmbus_drv.c | 2 +-
include/linux/random.h | 2 +-
kernel/irq/handle.c | 2 +-
5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 3cd3aae24d6d..125c1f545277 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -131,7 +131,7 @@
* void add_device_randomness(const void *buf, unsigned int size);
* void add_input_randomness(unsigned int type, unsigned int code,
* unsigned int value);
- * void add_interrupt_randomness(int irq, int irq_flags);
+ * void add_interrupt_randomness(int irq);
* void add_disk_randomness(struct gendisk *disk);
*
* add_device_randomness() is for adding data to the random pool that
@@ -1189,7 +1189,7 @@ static __u32 get_reg(struct fast_pool *f, struct pt_regs *regs)
return *ptr;
}

-void add_interrupt_randomness(int irq, int irq_flags)
+void add_interrupt_randomness(int irq)
{
struct entropy_store *r;
struct fast_pool *fast_pool = this_cpu_ptr(&irq_randomness);
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 9b82549cbbc8..4b76ba23d666 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -115,7 +115,7 @@ static void hv_stimer0_isr(void)

hv_cpu = this_cpu_ptr(hv_context.cpu_context);
hv_cpu->clk_evt->event_handler(hv_cpu->clk_evt);
- add_interrupt_randomness(stimer0_vector, 0);
+ add_interrupt_randomness(stimer0_vector);
}

static int hv_ce_set_next_event(unsigned long delta,
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index b10fe26c4891..41f4116f8c31 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1015,7 +1015,7 @@ static void vmbus_isr(void)
tasklet_schedule(&hv_cpu->msg_dpc);
}

- add_interrupt_randomness(HYPERVISOR_CALLBACK_VECTOR, 0);
+ add_interrupt_randomness(HYPERVISOR_CALLBACK_VECTOR);
}


diff --git a/include/linux/random.h b/include/linux/random.h
index 2ddf13b4281e..210400258fef 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -32,7 +32,7 @@ static inline void add_latent_entropy(void) {}

extern void add_input_randomness(unsigned int type, unsigned int code,
unsigned int value) __latent_entropy;
-extern void add_interrupt_randomness(int irq, int irq_flags) __latent_entropy;
+extern void add_interrupt_randomness(int irq) __latent_entropy;

extern void get_random_bytes(void *buf, int nbytes);
extern int wait_for_random_bytes(void);
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 38554bc35375..e2f7afcb1ae6 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -188,7 +188,7 @@ irqreturn_t handle_irq_event_percpu(struct irq_desc *desc)

retval = __handle_irq_event_percpu(desc, &flags);

- add_interrupt_randomness(desc->irq_data.irq, flags);
+ add_interrupt_randomness(desc->irq_data.irq);

if (!noirqdebug)
note_interrupt(desc, retval);
--
2.14.1
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