From: Liang Zhen <[email protected]> Make sure data is not NULL otherwise we get an oops when using the IOC_LIBCFS_MARK_DEBUG ioctl.
Signed-off-by: Liang Zhen <[email protected]> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5435 Reviewed-on: http://review.whamcloud.com/11313 Reviewed-by: Bobi Jam <[email protected]> Reviewed-by: Johann Lombardi <[email protected]> Reviewed-by: Oleg Drokin <[email protected]> --- drivers/staging/lustre/lnet/libcfs/module.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/staging/lustre/lnet/libcfs/module.c b/drivers/staging/lustre/lnet/libcfs/module.c index 4c3fe87..cce6ce3 100644 --- a/drivers/staging/lustre/lnet/libcfs/module.c +++ b/drivers/staging/lustre/lnet/libcfs/module.c @@ -150,7 +150,7 @@ static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, * Handled in arch/cfs_module.c */ case IOC_LIBCFS_MARK_DEBUG: - if (!data->ioc_inlbuf1 || + if (!data || !data->ioc_inlbuf1 || data->ioc_inlbuf1[data->ioc_inllen1 - 1] != '\0') { err = -EINVAL; goto out; -- 1.7.1 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
