linux-kernel - [PATCH 5/5] ia64/unaligned: Silence another GCC warning about an uninitialised variable

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Message-Id: <1462360670-27993-6-git-send-email-matt@codeblueprint.co.uk>
Date:	Wed,  4 May 2016 12:17:50 +0100
From:	Matt Fleming <matt@...eblueprint.co.uk>
To:	Tony Luck <tony.luck@...el.com>, Fenghua Yu <fenghua.yu@...el.com>
Cc:	Bjorn Helgaas <helgaas@...nel.org>, linux-ia64@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Matt Fleming <matt@...eblueprint.co.uk>
Subject: [PATCH 5/5] ia64/unaligned: Silence another GCC warning about an uninitialised variable

  arch/ia64/kernel/unaligned.c: In function 'ia64_handle_unaligned':
  arch/ia64/kernel/unaligned.c:1385:16: warning: 'u.l' may be used uninitialized in this function [-Wmaybe-uninitialized]
    opcode = (u.l >> IA64_OPCODE_SHIFT) & IA64_OPCODE_MASK;
                ^

Signed-off-by: Matt Fleming <matt@...eblueprint.co.uk>
---
 arch/ia64/kernel/unaligned.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index e7ae6088350a..7f0d31656b4d 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -1378,6 +1378,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
 	 * extract the instruction from the bundle given the slot number
 	 */
 	switch (ipsr->ri) {
+	      default:
 	      case 0: u.l = (bundle[0] >>  5); break;
 	      case 1: u.l = (bundle[0] >> 46) | (bundle[1] << 18); break;
 	      case 2: u.l = (bundle[1] >> 23); break;
-- 
2.7.3