linux-kernel - [PATCH] pstore: Tidy up an error check

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Message-ID: <X8c4C2q6qaZ8qX6L@mwanda>
Date:   Wed, 2 Dec 2020 09:45:31 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] pstore: Tidy up an error check

The crypto_alloc_comp() function never returns NULL, it returns error
pointers on error.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 fs/pstore/platform.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 36714df37d5d..b7a2a2a31dee 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -315,7 +315,7 @@ static void allocate_buf_for_compression(void)
 	}
 
 	ctx = crypto_alloc_comp(zbackend->name, 0, 0);
-	if (IS_ERR_OR_NULL(ctx)) {
+	if (IS_ERR(ctx)) {
 		kfree(buf);
 		pr_err("crypto_alloc_comp('%s') failed: %ld\n", zbackend->name,
 		       PTR_ERR(ctx));
-- 
2.29.2