If sparse emits an error message while parsing a file, don't
generate LLVM code, and also don't parse further files. This
prevents a segfault when sparse-llvm is fed with certain junk.
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Christopher Li <sparse@xxxxxxxxxxx>
Cc: Jeff Garzik <jgarzik@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>
---
sparse-llvm.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sparse-llvm.c b/sparse-llvm.c
index e4929e9..0fc0dae 100644
--- a/sparse-llvm.c
+++ b/sparse-llvm.c
@@ -1268,7 +1268,10 @@ int main(int argc, char **argv)
compile(module, sparse_initialize(argc, argv, &filelist));
FOR_EACH_PTR_NOTAG(filelist, file) {
- compile(module, sparse(file));
+ struct symbol_list *symlist = sparse(file);
+ if (error_happened)
+ break;
+ compile(module, symlist);
} END_FOR_EACH_PTR_NOTAG(file);
LLVMVerifyModule(module, LLVMPrintMessageAction, NULL);
--
1.7.10.4
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