lockref: improve the lockref_get_not_zero description

Christoph Hellwig · brauner · commit d60f2280a1b5 · 2025-01-16T11:48:11.000+01:00
lockref_put_return returns exactly -1 and not "an error" when the lockref is dead or locked. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20250115094702.504610-3-hch@lst.de Signed-off-by: Christian Brauner <brauner@kernel.org>
diff --git a/lib/lockref.c b/lib/lockref.c
@@ -86,7 +86,7 @@ EXPORT_SYMBOL(lockref_get_not_zero);
  * @lockref: pointer to lockref structure
  *
  * Decrement the reference count and return the new value.
- * If the lockref was dead or locked, return an error.
+ * If the lockref was dead or locked, return -1.
  */
 int lockref_put_return(struct lockref *lockref)
 {

Original file line number	Diff line number	Diff line change
`@@ -86,7 +86,7 @@ EXPORT_SYMBOL(lockref_get_not_zero);`
`86`	`86`	`* @lockref: pointer to lockref structure`
`87`	`87`	`*`
`88`	`88`	`* Decrement the reference count and return the new value.`
`89`		`- * If the lockref was dead or locked, return an error.`
	`89`	`+ * If the lockref was dead or locked, return -1.`
`90`	`90`	`*/`
`91`	`91`	`int lockref_put_return(struct lockref *lockref)`
`92`	`92`	`{`