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device_cgroup: stop using simple_strtoul() 

Convert the code to use kstrtou32() instead of simple_strtoul() which is
deprecated.  The real size of the variables are u32, so use kstrtou32
instead of kstrtoul

Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Cc: Dave Jones <davej@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: James Morris <jmorris@namei.org>
Cc: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Aristeu Rozanski 2012-10-25 13:37:41 -07:00 committed by Linus Torvalds
parent 5b7aa7d5bb
commit 26fd8405dd
1 changed files with 22 additions and 6 deletions
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28
security/device_cgroup.c
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@ -361,8 +361,8 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup,
int filetype, const char *buffer)
{
const char *b;
char *endp;
int count;
char temp[12]; /* 11 + 1 characters needed for a u32 */
int count, rc;
struct dev_exception_item ex;
if (!capable(CAP_SYS_ADMIN))
@ -405,8 +405,16 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup,
ex.major = ~0;
b++;
} else if (isdigit(*b)) {
ex.major = simple_strtoul(b, &endp, 10);
b = endp;
memset(temp, 0, sizeof(temp));
for (count = 0; count < sizeof(temp) - 1; count++) {
temp[count] = *b;
b++;
if (!isdigit(*b))
break;
}
rc = kstrtou32(temp, 10, &ex.major);
if (rc)
return -EINVAL;
} else {
return -EINVAL;
}
@ -419,8 +427,16 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup,
ex.minor = ~0;
b++;
} else if (isdigit(*b)) {
ex.minor = simple_strtoul(b, &endp, 10);
b = endp;
memset(temp, 0, sizeof(temp));
for (count = 0; count < sizeof(temp) - 1; count++) {
temp[count] = *b;
b++;
if (!isdigit(*b))
break;
}
rc = kstrtou32(temp, 10, &ex.minor);
if (rc)
return -EINVAL;
} else {
return -EINVAL;
}