[PATCH 15/19] staging: lustre: libcfs: Make char * array envp static constant

From: James Simmons
Date: Thu Nov 17 2016 - 14:38:24 EST


The envp char array can be made static constant.

Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx>
---
.../staging/lustre/lnet/libcfs/linux/linux-debug.c | 14 ++++++++------
1 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c
index 8d37938..d8a9894 100644
--- a/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c
+++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c
@@ -69,10 +69,11 @@ void libcfs_run_debug_log_upcall(char *file)
{
char *argv[3];
int rc;
- char *envp[] = {
+ static const char * const envp[] = {
"HOME=/",
"PATH=/sbin:/bin:/usr/sbin:/usr/bin",
- NULL};
+ NULL
+ };

argv[0] = lnet_debug_log_upcall;

@@ -81,7 +82,7 @@ void libcfs_run_debug_log_upcall(char *file)

argv[2] = NULL;

- rc = call_usermodehelper(argv[0], argv, envp, 1);
+ rc = call_usermodehelper(argv[0], argv, (char **)envp, 1);
if (rc < 0 && rc != -ENOENT) {
CERROR("Error %d invoking LNET debug log upcall %s %s; check /sys/kernel/debug/lnet/debug_log_upcall\n",
rc, argv[0], argv[1]);
@@ -95,10 +96,11 @@ void libcfs_run_upcall(char **argv)
{
int rc;
int argc;
- char *envp[] = {
+ static const char * const envp[] = {
"HOME=/",
"PATH=/sbin:/bin:/usr/sbin:/usr/bin",
- NULL};
+ NULL
+ };

argv[0] = lnet_upcall;
argc = 1;
@@ -107,7 +109,7 @@ void libcfs_run_upcall(char **argv)

LASSERT(argc >= 2);

- rc = call_usermodehelper(argv[0], argv, envp, 1);
+ rc = call_usermodehelper(argv[0], argv, (char **)envp, 1);
if (rc < 0 && rc != -ENOENT) {
CERROR("Error %d invoking LNET upcall %s %s%s%s%s%s%s%s%s; check /sys/kernel/debug/lnet/upcall\n",
rc, argv[0], argv[1],
--
1.7.1