Hello:
This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@xxxxxxxxxx>:
On Wed, 8 May 2024 12:13:13 +0200 you wrote:
> [Changes from V1:
> - Use a default branch in the switch statement to initialize `val'.]
>
> GCC warns that `val' may be used uninitialized in the
> BPF_CRE_READ_BITFIELD macro, defined in bpf_core_read.h as:
>
> [...]
> unsigned long long val; \
> [...] \
> switch (__CORE_RELO(s, field, BYTE_SIZE)) { \
> case 1: val = *(const unsigned char *)p; break; \
> case 2: val = *(const unsigned short *)p; break; \
> case 4: val = *(const unsigned int *)p; break; \
> case 8: val = *(const unsigned long long *)p; break; \
> } \
> [...]
> val; \
> } \
>
> [...]
Here is the summary with links:
- [bpf-next,V2] bpf: avoid uninitialized value in BPF_CORE_READ_BITFIELD
https://git.kernel.org/bpf/bpf-next/c/009367099eb6
You are awesome, thank you!
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