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IOMUX: Fix buffer overflow in iomux_replace_device()
Use of strcat() against an uninitialized buffer would lead
to buffer overflow. This patch fixes it.
Fixes: 694cd5618c
("IOMUX: Introduce iomux_replace_device()")
Signed-off-by: Yuichiro Goto <goto@k-tech.co.jp>
Cc: Peter Robinson <pbrobinson@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
This commit is contained in:
parent
48594c38ed
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@ -158,8 +158,12 @@ int iomux_replace_device(const int console, const char *old, const char *new)
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return -ENOMEM;
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}
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if (arg) {
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strcat(tmp, ",");
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strcat(tmp, name);
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}
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else
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strcpy(tmp, name);
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arg = tmp;
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size = strlen(tmp) + 1;
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