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From: Mike Travis <mike.travis@hpe.com>
To: Borislav Petkov <bp@alien8.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Steve Wahl <steve.wahl@hpe.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	x86@kernel.org
Cc: Mike Travis <mike.travis@hpe.com>,
	Dimitri Sivanich <dimitri.sivanich@hpe.com>,
	Russ Anderson <russ.anderson@hpe.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 2/3] x86/platform/uv: Remove spaces from OEM IDs
Date: Thu,  5 Nov 2020 16:27:40 -0600
Message-ID: <20201105222741.157029-3-mike.travis@hpe.com> (raw)
In-Reply-To: <20201105222741.157029-1-mike.travis@hpe.com>

Testing shows that trailing spaces caused problems with the OEM_ID and
the OEM_TABLE_ID.  One being that the OEM_ID would not string compare
correctly.  Another the OEM_ID and OEM_TABLE_ID would be concatenated
in the printout.  Remove any trailing spaces.

Fixes: 1e61f5a95f191 ("Add and decode Arch Type in UVsystab")

Signed-off-by: Mike Travis <mike.travis@hpe.com>
---
 arch/x86/kernel/apic/x2apic_uv_x.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index a5794794ea59..0f848d6dddc9 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -290,6 +290,9 @@ static void __init uv_stringify(int len, char *to, char *from)
 {
 	/* Relies on 'to' being NULL chars so result will be NULL terminated */
 	strncpy(to, from, len-1);
+
+	/* Trim trailing spaces */
+	(void)strim(to);
 }
 
 /* Find UV arch type entry in UVsystab */
-- 
2.21.0


  parent reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-05 22:27 [PATCH 0/3] x86/platform/uv: UV5 Update Fixes Mike Travis
2020-11-05 22:27 ` [PATCH 1/3] x86/platform/uv: Fix missing OEM_TABLE_ID Mike Travis
2020-11-07 10:18   ` [tip: x86/urgent] " tip-bot2 for Mike Travis
2020-11-05 22:27 ` Mike Travis [this message]
2020-11-07 10:18   ` [tip: x86/urgent] x86/platform/uv: Remove spaces from OEM IDs tip-bot2 for Mike Travis
2020-11-05 22:27 ` [PATCH 3/3] x86/platform/uv: Recognize UV5 hubless system identifier Mike Travis
2020-11-07 10:18   ` [tip: x86/urgent] " tip-bot2 for Mike Travis

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