From: Jaroslav Kysela <perex@suse.cz>
Date: Thu, 18 Aug 2005 11:16:11 +0000 (+0200)
Subject: [PATCH] broken error path in drivers/pnp/card.c
X-Git-Tag: Ubuntu-5.13.0-19.19~64177^2
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=30d5b64b63fa69af31b2cba32e6d71d68526eec9;p=mirror_ubuntu-jammy-kernel.git

[PATCH] broken error path in drivers/pnp/card.c

The error path in pnp_request_card_device() is broken (one variable is
left initialized and the semaphore is not unlocked).

This fixes it (and has been tested).

Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index add12f7c489a..6e5229e92fbc 100644
--- a/drivers/pnp/card.c
+++ b/drivers/pnp/card.c
@@ -312,6 +312,8 @@ found:
 	if (drv->link.driver.probe) {
 		if (drv->link.driver.probe(&dev->dev)) {
 			dev->dev.driver = NULL;
+			dev->card_link = NULL;
+			up_write(&dev->dev.bus->subsys.rwsem);
 			return NULL;
 		}
 	}