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[bpf-next,v9,01/23] bpf: Fix early return in map_check_btf

Message ID 20221117225510.1676785-2-memxor@gmail.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series Allocated objects, BPF linked lists | expand

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netdev/tree_selection success Clearly marked for bpf-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count fail Series longer than 15 patches (and no cover letter)
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 2 this patch: 2
netdev/cc_maintainers warning 8 maintainers not CCed: sdf@google.com kpsingh@kernel.org haoluo@google.com yhs@fb.com jolsa@kernel.org martin.lau@linux.dev song@kernel.org john.fastabend@gmail.com
netdev/build_clang success Errors and warnings before: 5 this patch: 5
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 2 this patch: 2
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
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Commit Message

Kumar Kartikeya Dwivedi Nov. 17, 2022, 10:54 p.m. UTC 
Instead of returning directly with -EOPNOTSUPP for the timer case, we
need to free the btf_record before returning to userspace.

Fixes: db559117828d ("bpf: Consolidate spin_lock, timer management into btf_record")
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
---
 kernel/bpf/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index b078965999e6..8eff51a63af6 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1010,7 +1010,7 @@  static int map_check_btf(struct bpf_map *map, const struct btf *btf,
 				if (map->map_type != BPF_MAP_TYPE_HASH &&
 				    map->map_type != BPF_MAP_TYPE_LRU_HASH &&
 				    map->map_type != BPF_MAP_TYPE_ARRAY) {
-					return -EOPNOTSUPP;
+					ret = -EOPNOTSUPP;
 					goto free_map_tab;
 				}
 				break;