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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-10-31 14:23:49 +01:00
Zhang Changzhong
428bb00114
platform_get_resource_byname() may fail and in this case a NULL
dereference will occur.
Fix it to use devm_platform_ioremap_resource_byname() instead of calling
platform_get_resource_byname() and devm_ioremap().
This is detected by Coccinelle semantic patch.
@@
expression pdev, res, n, t, e, e1, e2;
@@
res = \(platform_get_resource\|platform_get_resource_byname\)(pdev, t,
n);
+ if (!res)
+ return -EINVAL;
... when != res == NULL
e = devm_ioremap(e1, res->start, e2);
Fixes: ad7fcbc308 ("slimbus: qcom: Add Qualcomm Slimbus controller driver")
Signed-off-by: Zhang Changzhong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>