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Merge tag 'nios2-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2

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Pull nios2 fix from Ley Foon Tan:
 "Make sure the command line buffer is NUL-terminated"

* tag 'nios2-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
  nios2: force the string buffer NULL-terminated
This commit is contained in:
Linus Torvalds
2019-09-27 13:02:19 -07:00
parent 8bbe0dec38 91d99a724e
commit 70570a6418
1 changed files with 3 additions and 3 deletions
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6
arch/nios2/kernel/setup.c
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@@ -123,7 +123,7 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6,
dtb_passed = r6;
if (r7)
strncpy(cmdline_passed, (char *)r7, COMMAND_LINE_SIZE);
strlcpy(cmdline_passed, (char *)r7, COMMAND_LINE_SIZE);
}
#endif
@@ -131,10 +131,10 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6,
#ifndef CONFIG_CMDLINE_FORCE
if (cmdline_passed[0])
strncpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE);
strlcpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE);
#ifdef CONFIG_NIOS2_CMDLINE_IGNORE_DTB
else
strncpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
#endif
#endif