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authorStephen Smalley <sds@tycho.nsa.gov>2009-05-19 09:02:23 -0400
committerJames Morris <jmorris@namei.org>2009-05-19 23:56:11 +1000
commitc5642f4bbae30122beb696e723f6da273caa570e (patch)
treecaf9da5048c6083df90d97d7612d761840fdfbcf /security
parent75834fc3b6fcff00327f5d2a18760c1e8e0179c5 (diff)
downloadlinux-c5642f4bbae30122beb696e723f6da273caa570e.tar.gz
selinux: remove obsolete read buffer limit from sel_read_bool
On Tue, 2009-05-19 at 00:05 -0400, Eamon Walsh wrote: > Recent versions of coreutils have bumped the read buffer size from 4K to > 32K in several of the utilities. > > This means that "cat /selinux/booleans/xserver_object_manager" no longer > works, it returns "Invalid argument" on F11. getsebool works fine. > > sel_read_bool has a check for "count > PAGE_SIZE" that doesn't seem to > be present in the other read functions. Maybe it could be removed? Yes, that check is obsoleted by the conversion of those functions to using simple_read_from_buffer(), which will reduce count if necessary to what is available in the buffer. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security')
-rw-r--r--security/selinux/selinuxfs.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 8d4007fbe0e..b4fc506e7a8 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -803,10 +803,6 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
goto out;
}
- if (count > PAGE_SIZE) {
- ret = -EINVAL;
- goto out;
- }
page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page) {
ret = -ENOMEM;