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UPSTREAM: thermal/drivers/sprd: Fix return value of sprd_thm_probe()

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When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Fixes: 554fdbaf19b1 ("thermal: sprd: Add Spreadtrum thermal driver support")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1590371941-25430-1-git-send-email-yangtiezhu@loongson.cn
(cherry picked from commit b4147917ad4ff2c755e01a7ca296b14030d2d507)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I5ba1ea5bf4846edb0c0990557bbd00ce81bdc15f
This commit is contained in:
Tiezhu Yang 2020-05-25 09:59:01 +08:00 • committed by Greg Kroah-Hartman
commit 8aff1e0e2a
1 changed files with 2 additions and 2 deletions
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4
drivers/thermal/sprd_thermal.c
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@ -348,8 +348,8 @@ static int sprd_thm_probe(struct platform_device *pdev)
thm->var_data = pdata;
thm->base = devm_platform_ioremap_resource(pdev, 0);
if (!thm->base)
return -ENOMEM;
if (IS_ERR(thm->base))
return PTR_ERR(thm->base);
thm->nr_sensors = of_get_child_count(np);
if (thm->nr_sensors == 0 || thm->nr_sensors > SPRD_THM_MAX_SENSOR) {