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[1/1] net/core: kernel/bpf: Remove unused values

Message ID 20250111105445.3830433-2-ariel.otilibili-anieli@eurecom.fr (mailing list archive)
State New
Delegated to: BPF
Headers show
Series net/core: kernel/bpf: Remove unused values | expand

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bpf/vmtest-bpf-next-VM_Test-42 fail Logs for x86_64-llvm-18 / test (test_progs_cpuv4, false, 360) / test_progs_cpuv4 on x86_64 with llvm-18
bpf/vmtest-bpf-next-VM_Test-43 fail Logs for x86_64-llvm-18 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-18
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netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1 this patch: 1
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 3 maintainers not CCed: johannes.berg@intel.com horms@kernel.org netdev@vger.kernel.org
netdev/build_clang success Errors and warnings before: 5 this patch: 5
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bpf/vmtest-bpf-next-PR fail PR summary
bpf/vmtest-bpf-next-VM_Test-15 fail Logs for s390x-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on s390x with gcc

Commit Message

Ariel Otilibili Jan. 11, 2025, 10:54 a.m. UTC 
b gets assigned a value, but is overwritten before being used.

Coverity IDs: 1497121, 1496886
Fixes: 5ce6e77c7edf ("bpf: Implement bpf iterator for sock local storage map")
Fixes: d6c4503cc296 ("bpf: Implement bpf iterator for hash maps")
Signed-off-by: Ariel Otilibili <ariel.otilibili-anieli@eurecom.fr>
---
 kernel/bpf/hashtab.c      | 1 -
 net/core/bpf_sk_storage.c | 1 -
 2 files changed, 2 deletions(-)
diff mbox series

Patch

diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 40095dda891d..23b457536105 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -2039,7 +2039,6 @@  bpf_hash_map_seq_find_next(struct bpf_iter_seq_hash_map_info *info,
 			return elem;
 
 		/* not found, unlock and go to the next bucket */
-		b = &htab->buckets[bucket_id++];
 		rcu_read_unlock();
 		skip_elems = 0;
 	}
diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c
index 7d41cde1bcca..7c1b79dcd996 100644
--- a/net/core/bpf_sk_storage.c
+++ b/net/core/bpf_sk_storage.c
@@ -729,7 +729,6 @@  bpf_sk_storage_map_seq_find_next(struct bpf_iter_seq_sk_storage_map_info *info,
 					 struct bpf_local_storage_elem, map_node);
 		if (!selem) {
 			/* not found, unlock and go to the next bucket */
-			b = &smap->buckets[bucket_id++];
 			rcu_read_unlock();
 			skip_elems = 0;
 			break;