tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ps3flash: switch to generic_file_llseek_size()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
+2
-26
+2
-26
drivers/char/ps3flash.c
+2
-26
drivers/char/ps3flash.c
···
98
98
static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin)
99
99
{
100
100
struct ps3_storage_device *dev = ps3flash_dev;
101
-
loff_t res;
102
-
103
-
mutex_lock(&file->f_mapping->host->i_mutex);
104
-
switch (origin) {
105
-
case 0:
106
-
break;
107
-
case 1:
108
-
offset += file->f_pos;
109
-
break;
110
-
case 2:
111
-
offset += dev->regions[dev->region_idx].size*dev->blk_size;
112
-
break;
113
-
default:
114
-
offset = -1;
115
-
}
116
-
if (offset < 0) {
117
-
res = -EINVAL;
118
-
goto out;
119
-
}
120
-
121
-
file->f_pos = offset;
122
-
res = file->f_pos;
123
-
124
-
out:
125
-
mutex_unlock(&file->f_mapping->host->i_mutex);
126
-
return res;
101
+
return generic_file_llseek_size(file, offset, origin, MAX_LFS_FILESIZE,
102
+
dev->regions[dev->region_idx].size*dev->blk_size);
127
103
}
128
104
129
105
static ssize_t ps3flash_read(char __user *userbuf, void *kernelbuf,