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new helper: kfree_put_link()

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duplicated to hell and back...

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2013-09-16 10:30:04 -04:00
commit 87dc800be2
8 changed files with 15 additions and 38 deletions
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10
fs/libfs.c
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@ -10,6 +10,7 @@
#include <linux/vfs.h>
#include <linux/quotaops.h>
#include <linux/mutex.h>
#include <linux/namei.h>
#include <linux/exportfs.h>
#include <linux/writeback.h>
#include <linux/buffer_head.h> /* sync_mapping_buffers */
@ -992,3 +993,12 @@ int noop_fsync(struct file *file, loff_t start, loff_t end, int datasync)
return 0;
}
EXPORT_SYMBOL(noop_fsync);
void kfree_put_link(struct dentry *dentry, struct nameidata *nd,
void *cookie)
{
char *s = nd_get_link(nd);
if (!IS_ERR(s))
kfree(s);
}
EXPORT_SYMBOL(kfree_put_link);