Revision ca41b97ed9124fd62323a162de5852f6e28f94b8 authored by Peter Zijlstra on 31 January 2018, 09:18:28 UTC, committed by Ingo Molnar on 21 February 2018, 08:05:05 UTC
David allowed retpolines in .init.text, except for modules, which will trip up objtool retpoline validation, fix that. Requested-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>
1 parent b5bc223
net_utils.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/string.h>
#include <linux/if_ether.h>
#include <linux/ctype.h>
#include <linux/kernel.h>
bool mac_pton(const char *s, u8 *mac)
{
int i;
/* XX:XX:XX:XX:XX:XX */
if (strlen(s) < 3 * ETH_ALEN - 1)
return false;
/* Don't dirty result unless string is valid MAC. */
for (i = 0; i < ETH_ALEN; i++) {
if (!isxdigit(s[i * 3]) || !isxdigit(s[i * 3 + 1]))
return false;
if (i != ETH_ALEN - 1 && s[i * 3 + 2] != ':')
return false;
}
for (i = 0; i < ETH_ALEN; i++) {
mac[i] = (hex_to_bin(s[i * 3]) << 4) | hex_to_bin(s[i * 3 + 1]);
}
return true;
}
EXPORT_SYMBOL(mac_pton);
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