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bus: arm-integrator-lm: Fix return value check in integrator_ap_lm_probe()

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In case of error, the function of_find_matching_node() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Link: https://lore.kernel.org/r/20200525091634.8274-1-linus.walleij@linaro.org
Fixes: ccea5e8a59 ("bus: Add driver for Integrator/AP logic modules")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200520032150.165388-1-weiyongjun1@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Wei Yongjun 2020-05-25 11:16:34 +02:00 committed by Arnd Bergmann
parent 9d281a4f6f
commit 97a2f40e38
1 changed files with 2 additions and 2 deletions
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4
drivers/bus/arm-integrator-lm.c
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@ -78,10 +78,10 @@ static int integrator_ap_lm_probe(struct platform_device *pdev)
/* Look up the system controller */
syscon = of_find_matching_node(NULL, integrator_ap_syscon_match);
if (IS_ERR(syscon)) {
if (!syscon) {
dev_err(dev,
"could not find Integrator/AP system controller\n");
return PTR_ERR(syscon);
return -ENODEV;
}
map = syscon_node_to_regmap(syscon);
if (IS_ERR(map)) {