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Message-Id: <20201220070541.7515-1-dinghao.liu@zju.edu.cn>
Date: Sun, 20 Dec 2020 15:05:40 +0800
From: Dinghao Liu <dinghao.liu@....edu.cn>
To: dinghao.liu@....edu.cn, kjlu@....edu
Cc: "David S. Miller" <davem@...emloft.net>, linux-ide@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] ide: pci: Fix memleak in ide_pci_init_two
When do_ide_setup_pci_device() fails, host allocated
by ide_host_alloc() may not have been freed, which
leads to memleak.
Signed-off-by: Dinghao Liu <dinghao.liu@....edu.cn>
---
drivers/ide/setup-pci.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index fdc8e813170c..c7da5368fcd4 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -586,7 +586,7 @@ int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2,
* do_ide_setup_pci_device() on the first device!
*/
if (ret < 0)
- goto out_free_bars;
+ goto out_free_host;
/* fixup IRQ */
if (ide_pci_is_in_compatibility_mode(pdev[i])) {
@@ -597,11 +597,11 @@ int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2,
}
ret = ide_host_register(host, d, hws);
- if (ret)
- ide_host_free(host);
- else
+ if (!ret)
goto out;
+out_free_host:
+ ide_host_free(host);
out_free_bars:
i = n_ports / 2;
while (i--)
--
2.17.1
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