Fix parsing of mount options specified with -o in case an option with

value is preceded by an option without value (for example -o
option1,option2=value). Options must be separated before searching for
'='. Also compare pnextopt explicitly against NULL.

PR:		bin/134069
Approved by:	trasz (mentor)

1 files changed, 5 insertions, 5 deletions

diff --git a/sbin/mount_nfs/mount_nfs.c b/sbin/mount_nfs/mount_nfs.c
index 7d4f3f6..229da14 100644
--- a/sbin/mount_nfs/mount_nfs.c
+++ b/sbin/mount_nfs/mount_nfs.c
@@ -232,16 +232,16 @@ main(int argc, char *argv[])
 				char *pnextopt = NULL;
 				char *val = "";
 				pass_flag_to_nmount = 1;
-				pval = strchr(opt, '=');
 				pnextopt = strchr(opt, ',');
+				if (pnextopt != NULL) {
+					*pnextopt = '\0';
+					pnextopt++;
+				}
+				pval = strchr(opt, '=');
 				if (pval != NULL) {
 					*pval = '\0';
 					val = pval + 1;
 				}
-				if (pnextopt) {
-					*pnextopt = '\0';
-					pnextopt++;
-				}
 				if (strcmp(opt, "bg") == 0) {
 					opflags |= BGRND;
 					pass_flag_to_nmount=0;