modpost: explain why we can't use strsep

Mention why we open-code strsep, so it is clear that it is intentional.

Fixes: 736bb11898ef ("modpost: remove use of non-standard strsep() in HOSTCC code")
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 45f2ab2..69341b3 100644 (file)
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -144,6 +144,7 @@ char *get_line(char **stringp)
        if (!orig || *orig == '\0')
                return NULL;
 
+       /* don't use strsep here, it is not available everywhere */
        next = strchr(orig, '\n');
        if (next)
                *next++ = '\0';