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

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

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Eric Biggers <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Eric Biggers authored and Linus Torvalds committed 2017-10-03 17:54:25 -07:00
1 parent f80c7dab95
commit a70e43a59d
1 file changed
+2 -2
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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
* the one being replaced!).
*
* Returns: 0 on success. %-ENOENT indicates that @id was not found.
* %-EINVAL indicates that @id or @ptr were not valid.
* Returns: the old value on success. %-ENOENT indicates that @id was not
* found. %-EINVAL indicates that @id or @ptr were not valid.
*/
void *idr_replace(struct idr *idr, void *ptr, int id)
{