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lib/idr.c: fix comment for idr_replace() 

idr_replace() returns the old value on success, not 0.

Link: http://lkml.kernel.org/r/20170918162642.37511-1-ebiggers3@gmail.com
Signed-off-by: Eric Biggers <ebiggers@google.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric Biggers 2017-10-03 16:16:13 -07:00 committed by Linus Torvalds
parent f80c7dab95
commit a70e43a59d
1 changed files with 2 additions and 2 deletions
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lib/idr.c
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@ -146,8 +146,8 @@ EXPORT_SYMBOL(idr_get_next_ext);
* idr_alloc() and idr_remove() (as long as the ID being removed is not * idr_alloc() and idr_remove() (as long as the ID being removed is not
* the one being replaced!). * the one being replaced!).
* *
* Returns: 0 on success. %-ENOENT indicates that @id was not found. * Returns: the old value on success. %-ENOENT indicates that @id was not
* %-EINVAL indicates that @id or @ptr were not valid. * found. %-EINVAL indicates that @id or @ptr were not valid.
*/ */
void *idr_replace(struct idr *idr, void *ptr, int id) void *idr_replace(struct idr *idr, void *ptr, int id)
{ {