diff options
author | Aditya Pakki | 2019-12-19 11:57:35 -0600 |
---|---|---|
committer | Daniel Borkmann | 2019-12-19 22:24:15 +0100 |
commit | 5bf2fc1f9c88397b125d5ec5f65b1ed9300ba59d (patch) | |
tree | f69fca17e381176879e936428734a9b2a8dc2214 /kernel/bpf | |
parent | 7745ff9842617323adbe24e71c495d5ebd9aa352 (diff) |
bpf: Remove unnecessary assertion on fp_old
The two callers of bpf_prog_realloc - bpf_patch_insn_single and
bpf_migrate_filter dereference the struct fp_old, before passing
it to the function. Thus assertion to check fp_old is unnecessary
and can be removed.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191219175735.19231-1-pakki001@umn.edu
Diffstat (limited to 'kernel/bpf')
-rw-r--r-- | kernel/bpf/core.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 2ff01a716128..7622dfc36705 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -222,8 +222,6 @@ struct bpf_prog *bpf_prog_realloc(struct bpf_prog *fp_old, unsigned int size, u32 pages, delta; int ret; - BUG_ON(fp_old == NULL); - size = round_up(size, PAGE_SIZE); pages = size / PAGE_SIZE; if (pages <= fp_old->pages) |