linux-kernel - [PATCH] livepatch: core: Return ENOTSUPP instead of ENOSYS

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Date:   Sun, 27 Jan 2019 04:26:30 +0900
From:   Alice Ferrazzi <alicef@...cef.me>
To:     jpoimboe@...hat.com, jeyu@...nel.org, jikos@...nel.org,
        mbenes@...e.cz, pmladek@...e.com, live-patching@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Alice Ferrazzi <alicef@...cef.me>,
        Alice Ferrazzi <alice.ferrazzi@...aclelinux.com>
Subject: [PATCH] livepatch: core: Return ENOTSUPP instead of ENOSYS

This patch fixes a checkpatch warning:
    WARNING: ENOSYS means 'invalid syscall nr' and nothing else

Signed-off-by: Alice Ferrazzi <alice.ferrazzi@...aclelinux.com>
---
 kernel/livepatch/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
index 5b77a7314e01..eea6b94fef89 100644
--- a/kernel/livepatch/core.c
+++ b/kernel/livepatch/core.c
@@ -897,7 +897,7 @@ int klp_register_patch(struct klp_patch *patch)
 
 	if (!klp_have_reliable_stack()) {
 		pr_err("This architecture doesn't have support for the livepatch consistency model.\n");
-		return -ENOSYS;
+		return -ENOTSUPP;
 	}
 
 	return klp_init_patch(patch);
-- 
2.19.2