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[PATCH] sanitize ->permission() prototype

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* kill nameidata * argument; map the 3 bits in ->flags anybody cares
  about to new MAY_... ones and pass with the mask.
* kill redundant gfs2_iop_permission()
* sanitize ecryptfs_permission()
* fix remaining places where ->permission() instances might barf on new
  MAY_... found in mask.

The obvious next target in that direction is permission(9)

folded fix for nfs_permission() breakage from Miklos Szeredi <[email protected]>

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2008-07-15 21:03:57 -04:00
commit e6305c43ed
38 changed files with 74 additions and 87 deletions
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4
fs/smbfs/file.c
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@ -408,7 +408,7 @@ smb_file_release(struct inode *inode, struct file * file)
* privileges, so we need our own check for this.
*/
static int
smb_file_permission(struct inode *inode, int mask, struct nameidata *nd)
smb_file_permission(struct inode *inode, int mask)
{
int mode = inode->i_mode;
int error = 0;
@ -417,7 +417,7 @@ smb_file_permission(struct inode *inode, int mask, struct nameidata *nd)
/* Look at user permissions */
mode >>= 6;
if ((mode & 7 & mask) != mask)
if (mask & ~mode & (MAY_READ | MAY_WRITE | MAY_EXEC))
error = -EACCES;
return error;
}