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From patchwork Mon Oct 21 20:06:48 2019
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X-Patchwork-Submitter: Navid Emamdoost <navid.emamdoost@gmail.com>
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From: Navid Emamdoost <navid.emamdoost@gmail.com>
Cc: emamd001@umn.edu, kjlu@umn.edu, smccaman@umn.edu,
Navid Emamdoost <navid.emamdoost@gmail.com>,
Corey Minyard <minyard@acm.org>, Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
openipmi-developer@lists.sourceforge.net,
linux-kernel@vger.kernel.org
Subject: [PATCH] ipmi: Fix memory leak in __ipmi_bmc_register
Date: Mon, 21 Oct 2019 15:06:48 -0500
Message-Id: <20191021200649.1511-1-navid.emamdoost@gmail.com>
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In the impelementation of __ipmi_bmc_register() the allocated memory for
bmc should be released in case ida_simple_get() fails.
Fixes: 68e7e50f195f ("ipmi: Don't use BMC product/dev ids in the BMC name")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
drivers/char/ipmi/ipmi_msghandler.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 2aab80e19ae0..e4928ed46396 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3031,8 +3031,11 @@ static int __ipmi_bmc_register(struct ipmi_smi *intf,
bmc->pdev.name = "ipmi_bmc";
rv = ida_simple_get(&ipmi_bmc_ida, 0, 0, GFP_KERNEL);
- if (rv < 0)
+ if (rv < 0) {
+ kfree(bmc);
goto out;
+ }
+
bmc->pdev.dev.driver = &ipmidriver.driver;
bmc->pdev.id = rv;
bmc->pdev.dev.release = release_bmc_device;
|
