| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.15 044/148] gpio: mockup: Fix potential resource leakage when register a chip | Date | Mon, 26 Sep 2022 12:11:18 +0200 |
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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
commit 02743c4091ccfb246f5cdbbe3f44b152d5d12933 upstream.
If creation of software node fails, the locally allocated string array is left unfreed. Free it on error path.
Fixes: 6fda593f3082 ("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> --- drivers/gpio/gpio-mockup.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -554,8 +554,10 @@ static int __init gpio_mockup_register_c } 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;
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