diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-12 08:33:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-12 08:33:23 +0300 |
| commit | 77e38c19f373c077712e60cd190ca9cba13b7177 (patch) | |
| tree | c7a743735cffdcaee26ca559888196d229c4ec1e /include/linux/filter.h | |
| parent | cec2caedd979e8778b61ca7dd15fa7ec8fcf7162 (diff) | |
| parent | d45331b00ddb179e291766617259261c112db872 (diff) | |
| download | linux-77e38c19f373c077712e60cd190ca9cba13b7177.tar.xz | |
Merge 5.3-rc4 into char-misc-next
We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/filter.h')
| -rw-r--r-- | include/linux/filter.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h index ff65d22cf336..92c6e31fb008 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -24,6 +24,7 @@ #include <net/sch_generic.h> +#include <asm/byteorder.h> #include <uapi/linux/filter.h> #include <uapi/linux/bpf.h> @@ -747,6 +748,18 @@ bpf_ctx_narrow_access_ok(u32 off, u32 size, u32 size_default) return size <= size_default && (size & (size - 1)) == 0; } +static inline u8 +bpf_ctx_narrow_load_shift(u32 off, u32 size, u32 size_default) +{ + u8 load_off = off & (size_default - 1); + +#ifdef __LITTLE_ENDIAN + return load_off * 8; +#else + return (size_default - (load_off + size)) * 8; +#endif +} + #define bpf_ctx_wide_access_ok(off, size, type, field) \ (size == sizeof(__u64) && \ off >= offsetof(type, field) && \ |