From 2ee41e62ba5b952e9d9fcba6f7079a0c608bb849 Mon Sep 17 00:00:00 2001
From: Christian Engelmayer <cengelma@gmx.at>
Date: Mon, 28 Apr 2014 11:34:32 +0930
Subject: [PATCH] modpost: Fix resource leak in read_dump()
Function read_dump() memory maps the input via grab_file(), but fails to call
the corresponding unmap function. Add the missing call to release_file().
Detected by Coverity: CID 1192419
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
scripts/mod/modpost.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 066355673930..ea3e2bdf1825 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -2113,8 +2113,10 @@ static void read_dump(const char *fname, unsigned int kernel)
s->preloaded = 1;
sym_update_crc(symname, mod, crc, export_no(export));
}
+ release_file(file, size);
return;
fail:
+ release_file(file, size);
fatal("parse error in symbol dump file\n");
}