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Commit 948dc8c9 authored by Gary Lin's avatar Gary Lin Committed by Daniel Borkmann
Browse files

bpf: btf: fix the brackets of BTF_INT_OFFSET() 



'VAL' should be protected by the brackets.

v2:
* Squash the fix for Documentation/bpf/btf.rst

Fixes: 69b693f0 ("bpf: btf: Introduce BPF Type Format (BTF)")
Signed-off-by: default avatarGary Lin <glin@suse.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent cabede8b

Documentation/bpf/btf.rst

+1 −1
Original line number Diff line number Diff line
@@ -131,7 +131,7 @@ The following sections detail encoding of each kind. 
``btf_type`` is followed by a ``u32`` with the following bits arrangement::



  #define BTF_INT_ENCODING(VAL)   (((VAL) & 0x0f000000) >> 24)

  #define BTF_INT_OFFSET(VAL)     (((VAL  & 0x00ff0000)) >> 16)

  #define BTF_INT_OFFSET(VAL)     (((VAL) & 0x00ff0000) >> 16)

  #define BTF_INT_BITS(VAL)       ((VAL)  & 0x000000ff)



The ``BTF_INT_ENCODING`` has the following attributes::

include/uapi/linux/btf.h

+1 −1
Original line number Diff line number Diff line
@@ -83,7 +83,7 @@ struct btf_type { 
 * is the 32 bits arrangement:

 */

#define BTF_INT_ENCODING(VAL)	(((VAL) & 0x0f000000) >> 24)

#define BTF_INT_OFFSET(VAL)	(((VAL  & 0x00ff0000)) >> 16)

#define BTF_INT_OFFSET(VAL)	(((VAL) & 0x00ff0000) >> 16)

#define BTF_INT_BITS(VAL)	((VAL)  & 0x000000ff)



/* Attributes stored in the BTF_INT_ENCODING */