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powerpc/powernv: fix debugfs_create_dir() error checking

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The debugfs_create_dir returns ERR_PTR incase of an error and the
correct way of checking it by using the IS_ERR inline function, and
not the simple null comparision. This patch fixes this.

Suggested-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Signed-off-by: Immad Mir <mirimmad17@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/CY5PR12MB64553EE96EBB3927311DB598C6459@CY5PR12MB6455.namprd12.prod.outlook.com
This commit is contained in:
Immad Mir
2023-05-28 13:16:44 +05:30
committed by Michael Ellerman
parent 0f71dcfb4a
commit 429356fac0
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/platforms/powernv/opal-xscom.c
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@@ -168,7 +168,7 @@ static int scom_debug_init_one(struct dentry *root, struct device_node *dn,
ent->path.size = strlen((char *)ent->path.data);
dir = debugfs_create_dir(ent->name, root);
if (!dir) {
if (IS_ERR(dir)) {
kfree(ent->path.data);
kfree(ent);
return -1;
@@ -190,7 +190,7 @@ static int scom_debug_init(void)
return 0;
root = debugfs_create_dir("scom", arch_debugfs_dir);
if (!root)
if (IS_ERR(root))
return -1;
rc = 0;