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authorAl Viro <viro@zeniv.linux.org.uk>2013-06-17 10:05:35 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-06-29 12:57:33 +0400
commitee32465249bee53714c0ca7be38da83008f9f8a6 (patch)
tree5009c6c2801e319b0fbc1c64e620ae66147f6f6f /drivers/char/ps3flash.c
parent05c8aaa960f1c62edaba968f762c195bc9b251dd (diff)
ps3flash: switch to generic_file_llseek_size()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/char/ps3flash.c')
-rw-r--r--drivers/char/ps3flash.c28
1 files changed, 2 insertions, 26 deletions
diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c
index 8cafa9ccd43f..0b311fa277ef 100644
--- a/drivers/char/ps3flash.c
+++ b/drivers/char/ps3flash.c
@@ -98,32 +98,8 @@ static int ps3flash_fetch(struct ps3_storage_device *dev, u64 start_sector)
static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin)
{
struct ps3_storage_device *dev = ps3flash_dev;
- loff_t res;
-
- mutex_lock(&file->f_mapping->host->i_mutex);
- switch (origin) {
- case 0:
- break;
- case 1:
- offset += file->f_pos;
- break;
- case 2:
- offset += dev->regions[dev->region_idx].size*dev->blk_size;
- break;
- default:
- offset = -1;
- }
- if (offset < 0) {
- res = -EINVAL;
- goto out;
- }
-
- file->f_pos = offset;
- res = file->f_pos;
-
-out:
- mutex_unlock(&file->f_mapping->host->i_mutex);
- return res;
+ return generic_file_llseek_size(file, offset, origin, MAX_LFS_FILESIZE,
+ dev->regions[dev->region_idx].size*dev->blk_size);
}
static ssize_t ps3flash_read(char __user *userbuf, void *kernelbuf,