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45 lines
1.8 KiB
Diff
45 lines
1.8 KiB
Diff
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From b7340422cc16c5deff100812f38114bb5ec81203 Mon Sep 17 00:00:00 2001
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From: Paul Burton <paul.burton@mips.com>
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Date: Sat, 12 Oct 2019 20:43:36 +0000
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Subject: [PATCH] MIPS: Always define builtin_cmdline
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Commit 7784cac69735 ("MIPS: cmdline: Clean up boot_command_line
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initialization") made use of builtin_cmdline conditional upon plain C if
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statements rather than preprocessor #ifdef's. This caused build failures
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for configurations with CONFIG_CMDLINE_BOOL=n where builtin_cmdline
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wasn't defined, for example:
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arch/mips/kernel/setup.c: In function 'bootcmdline_init':
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>> arch/mips/kernel/setup.c:582:30: error: 'builtin_cmdline' undeclared
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(first use in this function); did you mean 'builtin_driver'?
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strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
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^~~~~~~~~~~~~~~
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builtin_driver
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arch/mips/kernel/setup.c:582:30: note: each undeclared identifier is
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reported only once for each function it appears in
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Fix this by defining builtin_cmdline as an empty string in the affected
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configurations. All of the paths that use it should be optimized out
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anyway so the data itself gets optimized away too.
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Signed-off-by: Paul Burton <paul.burton@mips.com>
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Fixes: 7784cac69735 ("MIPS: cmdline: Clean up boot_command_line initialization")
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Reported-by: kbuild test robot <lkp@intel.com>
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Reported-by: Nathan Chancellor <natechancellor@gmail.com>
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Cc: linux-mips@vger.kernel.org
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---
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arch/mips/kernel/setup.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/arch/mips/kernel/setup.c
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+++ b/arch/mips/kernel/setup.c
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@@ -68,6 +68,8 @@ char __initdata arcs_cmdline[COMMAND_LIN
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#ifdef CONFIG_CMDLINE_BOOL
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static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE;
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+#else
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+static const char builtin_cmdline[] __initconst = "";
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#endif
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/*
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