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authorArnd Bergmann <arnd@arndb.de>2010-04-27 00:24:05 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2010-05-17 05:27:41 +0200
commit55929332c92e5d34d65a8f784604c92677ea3e15 (patch)
tree555e922d470336d07ace32bb564ac5358379a3c4 /drivers/mtd
parent703c631ebbcadcfd861d01e697fdda7c388fec9a (diff)
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drivers: Push down BKL into various drivers
These are the last remaining device drivers using the ->ioctl file operation in the drivers directory (except from v4l drivers). [fweisbec: drop i8k pushdown as it has been done from procfs pushdown branch already] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/mtdchar.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 5b081cb84351..6749c2f96342 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -450,8 +450,7 @@ static int mtd_do_readoob(struct mtd_info *mtd, uint64_t start,
return ret;
}
-static int mtd_ioctl(struct inode *inode, struct file *file,
- u_int cmd, u_long arg)
+static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
{
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
@@ -822,6 +821,17 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
return ret;
} /* memory_ioctl */
+static long mtd_unlocked_ioctl(struct file *file, u_int cmd, u_long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = mtd_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
#ifdef CONFIG_COMPAT
struct mtd_oob_buf32 {
@@ -836,7 +846,6 @@ struct mtd_oob_buf32 {
static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
- struct inode *inode = file->f_path.dentry->d_inode;
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
void __user *argp = compat_ptr(arg);
@@ -874,7 +883,7 @@ static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
break;
}
default:
- ret = mtd_ioctl(inode, file, cmd, (unsigned long)argp);
+ ret = mtd_ioctl(file, cmd, (unsigned long)argp);
}
unlock_kernel();
@@ -942,7 +951,7 @@ static const struct file_operations mtd_fops = {
.llseek = mtd_lseek,
.read = mtd_read,
.write = mtd_write,
- .ioctl = mtd_ioctl,
+ .unlocked_ioctl = mtd_unlocked_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = mtd_compat_ioctl,
#endif