linux-kernel - [PATCH 2/13] const file

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Date:	Wed, 14 Mar 2007 09:04:31 +0000
From:	Al Viro <viro@....linux.org.uk>
To:	torvalds@...ux-foundation.org
Cc:	arjan@...ux.intel.com, linux-kernel@...r.kernel.org
Subject: [PATCH 2/13] const file_operations fallout


Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 sound/oss/dmasound/dmasound_core.c |   20 ++++++++++++++++----
 1 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/sound/oss/dmasound/dmasound_core.c b/sound/oss/dmasound/dmasound_core.c
index a0ec886..f4056a9 100644
--- a/sound/oss/dmasound/dmasound_core.c
+++ b/sound/oss/dmasound/dmasound_core.c
@@ -1346,22 +1346,34 @@ static const struct file_operations sq_fops =
 	.ioctl		= sq_ioctl,
 	.open		= sq_open,
 	.release	= sq_release,
+};
+
 #ifdef HAS_RECORD
-	.read		= NULL	/* default to no read for compat mode */
-#endif
+static const struct file_operations sq_fops_record =
+{
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.write		= sq_write,
+	.poll		= sq_poll,
+	.ioctl		= sq_ioctl,
+	.open		= sq_open,
+	.release	= sq_release,
+	.read		= sq_read,
 };
+#endif
 
 static int sq_init(void)
 {
+	const struct file_operations *fops = &sq_fops;
 #ifndef MODULE
 	int sq_unit;
 #endif
 
 #ifdef HAS_RECORD
 	if (dmasound.mach.record)
-		sq_fops.read = sq_read ;
+		fops = &sq_fops_record;
 #endif
-	sq_unit = register_sound_dsp(&sq_fops, -1);
+	sq_unit = register_sound_dsp(fops, -1);
 	if (sq_unit < 0) {
 		printk(KERN_ERR "dmasound_core: couldn't register fops\n") ;
 		return sq_unit ;
-- 
1.5.0-rc2.GIT


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