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| author |   Aditya Pakki <pakki001@umn.edu> | 2019-12-19 11:57:35 -0600 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2019-12-19 22:24:15 +0100 |
| commit | 5bf2fc1f9c88397b125d5ec5f65b1ed9300ba59d (patch) | |
| tree | f69fca17e381176879e936428734a9b2a8dc2214 /kernel | |
| parent | libbpf: Fix another __u64 printf warning (diff) | |
| download | linux-dev-5bf2fc1f9c88397b125d5ec5f65b1ed9300ba59d.tar.xz linux-dev-5bf2fc1f9c88397b125d5ec5f65b1ed9300ba59d.zip | |
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')
| -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) |