openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[POWERPC] Assign PDE->data before gluing PDE into /proc tree 

Simply replace proc_create and further data assigned with proc_create_data.
No need to check for data!=NULL after that.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Alexey Dobriyan <adobriyan@openvz.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Denis V. Lunev 2008-05-03 06:34:05 +10:00 committed by Paul Mackerras
parent b41e5fffe8
commit 9185ef6787
1 changed files with 2 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
arch/powerpc/platforms/pseries/scanlog.c
View File

@ -55,11 +55,6 @@ static ssize_t scanlog_read(struct file *file, char __user *buf,
dp = PDE(inode);
data = (unsigned int *)dp->data;
if (!data) {
printk(KERN_ERR "scanlog: read failed no data\n");
return -EIO;
}
if (count > RTAS_DATA_BUF_SIZE)
count = RTAS_DATA_BUF_SIZE;
@ -146,11 +141,6 @@ static int scanlog_open(struct inode * inode, struct file * file)
struct proc_dir_entry *dp = PDE(inode);
unsigned int *data = (unsigned int *)dp->data;
if (!data) {
printk(KERN_ERR "scanlog: open failed no data\n");
return -EIO;
}
if (data[0] != 0) {
/* This imperfect test stops a second copy of the
* data (or a reset while data is being copied)
@ -168,10 +158,6 @@ static int scanlog_release(struct inode * inode, struct file * file)
struct proc_dir_entry *dp = PDE(inode);
unsigned int *data = (unsigned int *)dp->data;
if (!data) {
printk(KERN_ERR "scanlog: release failed no data\n");
return -EIO;
}
data[0] = 0;
return 0;
@ -200,12 +186,11 @@ static int __init scanlog_init(void)
if (!data)
goto err;
ent = proc_create("ppc64/rtas/scan-log-dump", S_IRUSR, NULL,
&scanlog_fops);
ent = proc_create_data("ppc64/rtas/scan-log-dump", S_IRUSR, NULL,
&scanlog_fops, data);
if (!ent)
goto err;
ent->data = data;
proc_ppc64_scan_log_dump = ent;
return 0;