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tools: bpf: handle NULL return in bpf_prog_load_xattr() 

bpf_object__open() can return error pointer as well as NULL.
Fix error handling in bpf_prog_load_xattr() (and indirectly
bpf_prog_load()).

Fixes: 6f6d33f3b3 ("bpf: selftests add sockmap tests")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Jakub Kicinski 2018-05-10 10:09:34 -07:00 committed by Daniel Borkmann
parent 26aeb9daa0
commit 3597683c9d
1 changed files with 1 additions and 1 deletions
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2
tools/lib/bpf/libbpf.c
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@ -2035,7 +2035,7 @@ int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr,
return -EINVAL;
obj = bpf_object__open(attr->file);
if (IS_ERR(obj))
if (IS_ERR_OR_NULL(obj))
return -ENOENT;
bpf_object__for_each_program(prog, obj) {