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smackfs load append mode fix

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Given just how hard it is to find the code that uses MAY_APPEND
it's probably not a big surprise that this went unnoticed for so
long. The Smack rules loading code is incorrectly setting the
MAY_READ bit when MAY_APPEND is requested.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: James Morris <jmorris@namei.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Casey Schaufler 2009-01-27 19:56:30 -08:00 committed by Linus Torvalds
parent e4a7ca2903
commit 152a649b64
1 changed files with 1 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
security/smack/smackfs.c
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@ -334,7 +334,7 @@ static ssize_t smk_write_load(struct file *file, const char __user *buf,
break;
case 'a':
case 'A':
rule.smk_access |= MAY_READ;
rule.smk_access |= MAY_APPEND;
break;
default:
goto out;