[PATCH] tracing/eprobe: Replace kzalloc with kmalloc
From: Quanfa Fu <hidden>
Date: 2023-01-07 03:43:49
Also in:
lkml
Subsystem:
the rest, tracing · Maintainers:
Linus Torvalds, Steven Rostedt, Masami Hiramatsu
Since this memory will be filled soon below, I feel that there is no need for a memory of all zeros here. 'snprintf' does not return negative num according to ISO C99, so I feel that no judgment is needed here. No functional change intended. Signed-off-by: Quanfa Fu <redacted> --- kernel/trace/trace_eprobe.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c
index 352b65e2b910..cd1d271a74e7 100644
--- a/kernel/trace/trace_eprobe.c
+++ b/kernel/trace/trace_eprobe.c@@ -917,15 +917,13 @@ static int trace_eprobe_parse_filter(struct trace_eprobe *ep, int argc, const ch for (i = 0; i < argc; i++) len += strlen(argv[i]) + 1; - ep->filter_str = kzalloc(len, GFP_KERNEL); + ep->filter_str = kmalloc(len, GFP_KERNEL); if (!ep->filter_str) return -ENOMEM; p = ep->filter_str; for (i = 0; i < argc; i++) { ret = snprintf(p, len, "%s ", argv[i]); - if (ret < 0) - goto error; if (ret > len) { ret = -E2BIG; goto error;
--
2.31.1