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Don't crash when invoking kmidiff with no debug info root dir

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* tools/kmidiff.cc (main): Do not crash on empty debug info root
	dir.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
This commit is contained in:
Dodji Seketeli 2018-03-30 13:49:23 +02:00
parent 08f04ab6b2
commit 92a194b553
1 changed files with 10 additions and 5 deletions
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15
tools/kmidiff.cc
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@ -397,16 +397,19 @@ main(int argc, char* argv[])
environment_sptr env(new environment);
corpus_group_sptr group1, group2;
char *di_dir1 = 0, *di_dir2 = 0;
string debug_info_root_dir;
if (!opts.kernel_dist_root1.empty())
{
file_type ftype = guess_file_type(opts.kernel_dist_root1);
if (ftype == FILE_TYPE_DIR)
{
di_dir1 = opts.di_root_path1.get();
debug_info_root_dir = opts.di_root_path1.get()
? opts.di_root_path1.get()
: "";
group1 =
build_corpus_group_from_kernel_dist_under(opts.kernel_dist_root1,
di_dir1,
debug_info_root_dir,
opts.vmlinux1,
opts.suppression_paths,
opts.kabi_whitelist_paths,
@ -427,10 +430,12 @@ main(int argc, char* argv[])
file_type ftype = guess_file_type(opts.kernel_dist_root2);
if (ftype == FILE_TYPE_DIR)
{
di_dir2 = opts.di_root_path2.get();
debug_info_root_dir = opts.di_root_path2.get()
? opts.di_root_path2.get()
: "";
group2 =
build_corpus_group_from_kernel_dist_under(opts.kernel_dist_root2,
di_dir2,
debug_info_root_dir,
opts.vmlinux2,
opts.suppression_paths,
opts.kabi_whitelist_paths,