mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-02 23:27:06 +00:00
Code Issues Releases Wiki Activity

libbpf: Fix ELF symbol visibility update logic

Browse source 
Fix silly bug in updating ELF symbol's visibility.

Fixes: a46349227c ("libbpf: Add linker extern resolution support for functions and global variables")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210507054119.270888-6-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko 2021-05-06 22:41:17 -07:00 committed by Alexei Starovoitov
parent 31332ccb75
commit 247b8634e6
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
tools/lib/bpf/linker.c
View file

@ -1788,7 +1788,7 @@ static void sym_update_visibility(Elf64_Sym *sym, int sym_vis)
/* libelf doesn't provide setters for ST_VISIBILITY,
* but it is stored in the lower 2 bits of st_other
*/
sym->st_other &= 0x03;
sym->st_other &= ~0x03;
sym->st_other |= sym_vis;
}