[PATCH 07/18] staging: use llseek in all file operations

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These could not be detected by the semantic patch.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Cc: devel@xxxxxxxxxxxxxxxxxxxx
Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 drivers/staging/msm/mdp4_debugfs.c |   10 ++--------
 drivers/staging/panel/panel.c      |    3 ++-
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/msm/mdp4_debugfs.c b/drivers/staging/msm/mdp4_debugfs.c
index 844d467..36954e8 100644
--- a/drivers/staging/msm/mdp4_debugfs.c
+++ b/drivers/staging/msm/mdp4_debugfs.c
@@ -63,13 +63,6 @@ DEFINE_SIMPLE_ATTRIBUTE(
 			"%llx\n");
 
 
-static int mdp4_debugfs_open(struct inode *inode, struct file *file)
-{
-	/* non-seekable */
-	file->f_mode &= ~(FMODE_LSEEK | FMODE_PREAD | FMODE_PWRITE);
-	return 0;
-}
-
 static int mdp4_debugfs_release(struct inode *inode, struct file *file)
 {
 	return 0;
@@ -144,10 +137,11 @@ static ssize_t mdp4_debugfs_read(
 }
 
 static const struct file_operations mdp4_debugfs_fops = {
-	.open = mdp4_debugfs_open,
+	.open = nonseekable_open,
 	.release = mdp4_debugfs_release,
 	.read = mdp4_debugfs_read,
 	.write = mdp4_debugfs_write,
+	.llseek = no_llseek,
 };
 
 int mdp4_debugfs_init(void)
diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 9ca0e9e..be05b98 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -1295,7 +1295,7 @@ static int lcd_open(struct inode *inode, struct file *file)
 		lcd_must_clear = 0;
 	}
 	lcd_open_cnt++;
-	return 0;
+	return nonseekable_open(inode, file);
 }
 
 static int lcd_release(struct inode *inode, struct file *file)
@@ -1308,6 +1308,7 @@ static struct file_operations lcd_fops = {
 	.write   = lcd_write,
 	.open    = lcd_open,
 	.release = lcd_release,
+	.llseek  = no_llseek,
 };
 
 static struct miscdevice lcd_dev = {
-- 
1.7.1

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