linux-kernel - [PATCH 1/2] virtio-rng: cope if struct hwrng.name is changed to const

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Message-ID: <20140515153140.49b8028b@canb.auug.org.au>
Date:	Thu, 15 May 2014 15:31:40 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Amos Kong <akong@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] virtio-rng: cope if struct hwrng.name is changed to
 const


Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/char/hw_random/virtio-rng.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Based on the current virtio tree in linux-next.

diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index 12e242bbb0f5..6319b133b7aa 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -94,9 +94,11 @@ static int probe_common(struct virtio_device *vdev)
 {
 	int err, i;
 	struct virtrng_info *vi = NULL;
+	char *name;
 
 	vi = kmalloc(sizeof(struct virtrng_info), GFP_KERNEL);
-	vi->hwrng.name = kmalloc(40, GFP_KERNEL);
+	name = kmalloc(40, GFP_KERNEL);
+	vi->hwrng.name = name;
 	init_completion(&vi->have_data);
 
 	vi->hwrng.read = virtio_read;
@@ -117,7 +119,7 @@ static int probe_common(struct virtio_device *vdev)
 
 	i = 0;
 	do {
-		sprintf(vi->hwrng.name, "virtio_rng.%d", i++);
+		sprintf(name, "virtio_rng.%d", i++);
 		err = hwrng_register(&vi->hwrng);
 	} while (err == -EEXIST);
 
-- 
2.0.0.rc2

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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