From: Henrik Kretzschmar <henne@nachtwindheim.de>

Adds a missing exit, if the file that should be parsed couldn't be opened. 
Without it crashes with a segfault, cause the filedescriptor is accessed
even if the file could not be opened.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 scripts/basic/docproc.c |    1 +
 1 file changed, 1 insertion(+)

diff -puN scripts/basic/docproc.c~docbook-fix-segfault-in-docprocc scripts/basic/docproc.c
--- a/scripts/basic/docproc.c~docbook-fix-segfault-in-docprocc
+++ a/scripts/basic/docproc.c
@@ -177,6 +177,7 @@ void find_export_symbols(char * filename
 		{
 			fprintf(stderr, "docproc: ");
 			perror(real_filename);
+			exit(1);
 		}
 		while(fgets(line, MAXLINESZ, fp)) {
 			char *p;
_