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path: root/drivers/char/adi.c
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Diffstat (limited to 'drivers/char/adi.c')
-rw-r--r--drivers/char/adi.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/char/adi.c b/drivers/char/adi.c
index 751d7cc0da1b..0849d933a2d5 100644
--- a/drivers/char/adi.c
+++ b/drivers/char/adi.c
@@ -14,12 +14,6 @@
#define MAX_BUF_SZ PAGE_SIZE
-static int adi_open(struct inode *inode, struct file *file)
-{
- file->f_mode |= FMODE_UNSIGNED_OFFSET;
- return 0;
-}
-
static int read_mcd_tag(unsigned long addr)
{
long err;
@@ -86,8 +80,8 @@ static ssize_t adi_read(struct file *file, char __user *buf,
bytes_read += ver_buf_sz;
ver_buf_idx = 0;
- ver_buf_sz = min(count - bytes_read,
- (size_t)MAX_BUF_SZ);
+ ver_buf_sz = min_t(size_t, count - bytes_read,
+ MAX_BUF_SZ);
}
}
@@ -137,7 +131,7 @@ static ssize_t adi_write(struct file *file, const char __user *buf,
ssize_t ret;
int i;
- if (count <= 0)
+ if (count == 0)
return -EINVAL;
ver_buf_sz = min_t(size_t, count, MAX_BUF_SZ);
@@ -163,7 +157,7 @@ static ssize_t adi_write(struct file *file, const char __user *buf,
}
bytes_written += ver_buf_sz;
- ver_buf_sz = min(count - bytes_written, (size_t)MAX_BUF_SZ);
+ ver_buf_sz = min_t(size_t, count - bytes_written, MAX_BUF_SZ);
} while (bytes_written < count);
(*offp) += bytes_written;
@@ -196,7 +190,6 @@ static loff_t adi_llseek(struct file *file, loff_t offset, int whence)
if (offset != file->f_pos) {
file->f_pos = offset;
- file->f_version = 0;
ret = offset;
}
@@ -206,9 +199,9 @@ static loff_t adi_llseek(struct file *file, loff_t offset, int whence)
static const struct file_operations adi_fops = {
.owner = THIS_MODULE,
.llseek = adi_llseek,
- .open = adi_open,
.read = adi_read,
.write = adi_write,
+ .fop_flags = FOP_UNSIGNED_OFFSET,
};
static struct miscdevice adi_miscdev = {