lkml.org 
[lkml]   [2007]   [Apr]   [7]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
DateSat, 7 Apr 2007 14:59:41 +0900
FromTejun Heo <>
Subject[PATCH] irq-devres: fix failure path of devm_request_irq()
devres should be deallocated with devres_free() not kfree().  This bug
corrupts slab on IRQ request failure.  Fix it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
---
Sorry about the bug, please apply before 2.6.21 release.  Thanks.
diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c
index 85a430d..d8ee241 100644
--- a/kernel/irq/devres.c
+++ b/kernel/irq/devres.c
@@ -54,7 +54,7 @@ int devm_request_irq(struct device *dev, unsigned int irq,
 
 	rc = request_irq(irq, handler, irqflags, devname, dev_id);
 	if (rc) {
-		kfree(dr);
+		devres_free(dr);
 		return rc;
 	}
 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2007-04-07 06:03    [from the cache]
©2003-2008