Skip to main content

Browse the archive

https://github.com/torvalds/linux
05 April 2024, 19:05:47 UTC
Revision 10c5ccc3c6d32f3d7d6c07de1d3f0f4b52f3e3ab authored by Jay Dolan on 05 March 2020, 14:05:04 UTC, committed by Greg Kroah-Hartman on 05 March 2020, 20:30:04 UTC 
serial: 8250_exar: add support for ACCES cards
 
Add ACCES VIDs and PIDs that use the Exar chips

Signed-off-by: Jay Dolan <jay.dolan@accesio.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200305140504.22237-1-jay.dolan@accesio.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 parent 4a3e208
Raw File
Tip revision: 10c5ccc3c6d32f3d7d6c07de1d3f0f4b52f3e3ab authored by Jay Dolan on 05 March 2020, 14:05:04 UTC
serial: 8250_exar: add support for ACCES cards
Tip revision: 10c5ccc
memcat_p.c 
// SPDX-License-Identifier: GPL-2.0

#include <linux/slab.h>

/*
 * Merge two NULL-terminated pointer arrays into a newly allocated
 * array, which is also NULL-terminated. Nomenclature is inspired by
 * memset_p() and memcat() found elsewhere in the kernel source tree.
 */
void **__memcat_p(void **a, void **b)
{
	void **p = a, **new;
	int nr;

	/* count the elements in both arrays */
	for (nr = 0, p = a; *p; nr++, p++)
		;
	for (p = b; *p; nr++, p++)
		;
	/* one for the NULL-terminator */
	nr++;

	new = kmalloc_array(nr, sizeof(void *), GFP_KERNEL);
	if (!new)
		return NULL;

	/* nr -> last index; p points to NULL in b[] */
	for (nr--; nr >= 0; nr--, p = p == b ? &a[nr] : p - 1)
		new[nr] = *p;

	return new;
}
EXPORT_SYMBOL_GPL(__memcat_p);
back to top