[PATCH] modpost: Fix ressource leak in read_dump()

[Christian Engelmayer <cengelma@gmx.at>]

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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>
---
Compile tested - Applies against v3.14 as well as linux-next.
---
 scripts/mod/modpost.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 0663556..ea3e2bd 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");
 }
 
-- 
1.8.3.2

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