linux/tools/bpf
Tiezhu Yang f5f30386c7 bpftool: Silence build warning about calloc()
There exists the following warning when building bpftool:

  CC      prog.o
prog.c: In function ‘profile_open_perf_events’:
prog.c:2301:24: warning: ‘calloc’ sizes specified with ‘sizeof’ in the earlier argument and not in the later argument [-Wcalloc-transposed-args]
 2301 |                 sizeof(int), obj->rodata->num_cpu * obj->rodata->num_metric);
      |                        ^~~
prog.c:2301:24: note: earlier argument should specify number of elements, later size of each element

Tested with the latest upstream GCC which contains a new warning option
-Wcalloc-transposed-args. The first argument to calloc is documented to
be number of elements in array, while the second argument is size of each
element, just switch the first and second arguments of calloc() to silence
the build warning, compile tested only.

Fixes: 47c09d6a9f ("bpftool: Introduce "prog profile" command")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20240116061920.31172-1-yangtiezhu@loongson.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2024-01-23 14:40:23 -08:00
..
bpftool bpftool: Silence build warning about calloc() 2024-01-23 14:40:23 -08:00
resolve_btfids tools/resolve_btfids: Fix setting HOSTCFLAGS 2023-06-05 15:44:47 -07:00
runqslower bpf: Replace deprecated -target with --target= for Clang 2023-06-29 15:46:17 +02:00
.gitignore
bpf_asm.c
bpf_dbg.c
bpf_exp.l
bpf_exp.y
bpf_jit_disasm.c
Makefile tools bpf_jit_disasm: Don't display disassembler-four-args feature test 2022-08-01 15:31:51 -03:00