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fuse: Convert to kstrtoul_from_user

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This patch replaces the code for getting an number from a
userspace buffer by a simple call to kstroul_from_user.
This makes it easier to read and less error prone.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
This commit is contained in:
Peter Huewe 2012-04-15 02:20:27 +02:00 committed by Miklos Szeredi
parent 66f75a5d02
commit e2690695ce
1 changed files with 2 additions and 8 deletions
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10
fs/fuse/control.c
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@ -75,19 +75,13 @@ static ssize_t fuse_conn_limit_write(struct file *file, const char __user *buf,
unsigned global_limit) unsigned global_limit)
{ {
unsigned long t; unsigned long t;
char tmp[32];
unsigned limit = (1 << 16) - 1; unsigned limit = (1 << 16) - 1;
int err; int err;
if (*ppos || count >= sizeof(tmp) - 1) if (*ppos)
return -EINVAL; return -EINVAL;
if (copy_from_user(tmp, buf, count)) err = kstrtoul_from_user(buf, count, 0, &t);
return -EINVAL;
tmp[count] = '\0';
err = strict_strtoul(tmp, 0, &t);
if (err) if (err)
return err; return err;