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| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-06-20 17:31:30 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-07-20 07:43:16 +0200 |
| commit | 178ea73521d64ba41d7aa5488fb9f549c6d4507d (patch) | |
| tree | 7fb6bfb6483577752e307a5bb2e3905658d44294 /fs/namei.c | |
| parent | lockless get_write_access/deny_write_access (diff) | |
| download | linux-178ea73521d64ba41d7aa5488fb9f549c6d4507d.tar.xz linux-178ea73521d64ba41d7aa5488fb9f549c6d4507d.zip | |
kill check_acl callback of generic_permission()
its value depends only on inode and does not change; we might as
well store it in ->i_op->check_acl and be done with that.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/fs/namei.c b/fs/namei.c index d286cbc3f3e5..c5af0f37e67d 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -176,9 +176,9 @@ EXPORT_SYMBOL(putname); /* * This does basic POSIX ACL permission checking */ -static int acl_permission_check(struct inode *inode, int mask, unsigned int flags, - int (*check_acl)(struct inode *inode, int mask, unsigned int flags)) +static int acl_permission_check(struct inode *inode, int mask, unsigned int flags) { + int (*check_acl)(struct inode *inode, int mask, unsigned int flags); unsigned int mode = inode->i_mode; mask &= MAY_READ | MAY_WRITE | MAY_EXEC; @@ -189,6 +189,7 @@ static int acl_permission_check(struct inode *inode, int mask, unsigned int flag if (current_fsuid() == inode->i_uid) mode >>= 6; else { + check_acl = inode->i_op->check_acl; if (IS_POSIXACL(inode) && (mode & S_IRWXG) && check_acl) { int error = check_acl(inode, mask, flags); if (error != -EAGAIN) @@ -212,7 +213,6 @@ other_perms: * generic_permission - check for access rights on a Posix-like filesystem * @inode: inode to check access rights for * @mask: right to check for (%MAY_READ, %MAY_WRITE, %MAY_EXEC) - * @check_acl: optional callback to check for Posix ACLs * @flags: IPERM_FLAG_ flags. * * Used to check for read/write/execute permissions on a file. @@ -224,15 +224,14 @@ other_perms: * request cannot be satisfied (eg. requires blocking or too much complexity). * It would then be called again in ref-walk mode. */ -int generic_permission(struct inode *inode, int mask, unsigned int flags, - int (*check_acl)(struct inode *inode, int mask, unsigned int flags)) +int generic_permission(struct inode *inode, int mask, unsigned int flags) { int ret; /* * Do the basic POSIX ACL permission checks. */ - ret = acl_permission_check(inode, mask, flags, check_acl); + ret = acl_permission_check(inode, mask, flags); if (ret != -EACCES) return ret; @@ -290,8 +289,7 @@ int inode_permission(struct inode *inode, int mask) if (inode->i_op->permission) retval = inode->i_op->permission(inode, mask, 0); else - retval = generic_permission(inode, mask, 0, - inode->i_op->check_acl); + retval = generic_permission(inode, mask, 0); if (retval) return retval; @@ -326,8 +324,7 @@ static inline int exec_permission(struct inode *inode, unsigned int flags) if (likely(!ret)) goto ok; } else { - ret = acl_permission_check(inode, MAY_EXEC, flags, - inode->i_op->check_acl); + ret = acl_permission_check(inode, MAY_EXEC, flags); if (likely(!ret)) goto ok; if (ret != -EACCES) |