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gpio: mockup: Fix potential resource leakage when register a chip

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commit 02743c4091ccfb246f5cdbbe3f44b152d5d12933 upstream.

If creation of software node fails, the locally allocated string
array is left unfreed. Free it on error path.

Fixes: 6fda593f30 ("gpio: mockup: Convert to use software nodes")
Cc: stable@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko
2022-09-20 16:30:31 +03:00
committed by Greg Kroah-Hartman
parent 18352095a0
commit 9b26723e05
1 changed files with 3 additions and 1 deletions
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4
drivers/gpio/gpio-mockup.c
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@@ -554,8 +554,10 @@ static int __init gpio_mockup_register_chip(int idx)
}
fwnode = fwnode_create_software_node(properties, NULL);
if (IS_ERR(fwnode))
if (IS_ERR(fwnode)) {
kfree_strarray(line_names, ngpio);
return PTR_ERR(fwnode);
}
pdevinfo.name = "gpio-mockup";
pdevinfo.id = idx;