Revision 2bcbf42add911ef63a6d90e92001dc2bcb053e68 authored by Shannon Nelson on 04 November 2020, 19:56:06 UTC, committed by Jakub Kicinski on 05 November 2020, 17:58:25 UTC
Check for corner case of port_init failure before using the port_info pointer. Fixes: 4d03e00a2140 ("ionic: Add initial ethtool support") Signed-off-by: Shannon Nelson <snelson@pensando.io> Link: https://lore.kernel.org/r/20201104195606.61184-1-snelson@pensando.io Signed-off-by: Jakub Kicinski <kuba@kernel.org>
1 parent 2aaf09a
syscall.c
/*
* Will go away once libc support is there
*/
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/uio.h>
#include <signal.h>
#include "liburing.h"
#ifdef __alpha__
/*
* alpha is the only exception, all other architectures
* have common numbers for new system calls.
*/
# ifndef __NR_io_uring_setup
# define __NR_io_uring_setup 535
# endif
# ifndef __NR_io_uring_enter
# define __NR_io_uring_enter 536
# endif
# ifndef __NR_io_uring_register
# define __NR_io_uring_register 537
# endif
#else /* !__alpha__ */
# ifndef __NR_io_uring_setup
# define __NR_io_uring_setup 425
# endif
# ifndef __NR_io_uring_enter
# define __NR_io_uring_enter 426
# endif
# ifndef __NR_io_uring_register
# define __NR_io_uring_register 427
# endif
#endif
int io_uring_register(int fd, unsigned int opcode, void *arg,
unsigned int nr_args)
{
return syscall(__NR_io_uring_register, fd, opcode, arg, nr_args);
}
int io_uring_setup(unsigned int entries, struct io_uring_params *p)
{
return syscall(__NR_io_uring_setup, entries, p);
}
int io_uring_enter(int fd, unsigned int to_submit, unsigned int min_complete,
unsigned int flags, sigset_t *sig)
{
return syscall(__NR_io_uring_enter, fd, to_submit, min_complete,
flags, sig, _NSIG / 8);
}
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