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modpost: Fix resource leak in read_dump()

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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>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Christian Engelmayer 2014-04-28 11:34:32 +09:30 • committed by Rusty Russell
parent ec6931b281
commit 2ee41e62ba
1 changed files with 2 additions and 0 deletions
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2
scripts/mod/modpost.c
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@ -2113,8 +2113,10 @@ static void read_dump(const char *fname, unsigned int kernel)
s->preloaded = 1; s->preloaded = 1;
sym_update_crc(symname, mod, crc, export_no(export)); sym_update_crc(symname, mod, crc, export_no(export));
} }
release_file(file, size);
return; return;
fail: fail:
release_file(file, size);
fatal("parse error in symbol dump file\n"); fatal("parse error in symbol dump file\n");
} }