linux-kernel - [PATCH 3/3] staging: most: fix id leak

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Message-Id: <1448211656-15829-3-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Sun, 22 Nov 2015 22:30:56 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 3/3] staging: most: fix id leak

If create_most_inst_obj() fails we returned an error pointer but we
missed releasing id.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/staging/most/mostcore/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/most/mostcore/core.c b/drivers/staging/most/mostcore/core.c
index 619d558..6210257 100644
--- a/drivers/staging/most/mostcore/core.c
+++ b/drivers/staging/most/mostcore/core.c
@@ -1762,6 +1762,7 @@ struct kobject *most_register_interface(struct most_interface *iface)
 	inst = create_most_inst_obj(name);
 	if (!inst) {
 		pr_info("Failed to allocate interface instance\n");
+		ida_simple_remove(&mdev_id, id);
 		return ERR_PTR(-ENOMEM);
 	}
 
-- 
1.9.1

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