From 1a079f3e95295c3534c89f008e5e961a386e25e9 Mon Sep 17 00:00:00 2001 From: Thorsten Winkler Date: Wed, 21 Jun 2023 15:49:19 +0200 Subject: [PATCH] s390/lcs: Convert sprintf to scnprintf This LWN article explains the why scnprintf is preferred over snprintf in general https://lwn.net/Articles/69419/ Ie. snprintf() returns what *would* be the resulting length, while scnprintf() returns the actual length. Reported-by: Jules Irenge Reviewed-by: Alexandra Winter Signed-off-by: Thorsten Winkler Signed-off-by: Alexandra Winter Signed-off-by: Paolo Abeni --- drivers/s390/net/lcs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h index bd52caa..a2699b7 100644 --- a/drivers/s390/net/lcs.h +++ b/drivers/s390/net/lcs.h @@ -21,7 +21,7 @@ do { \ #define LCS_DBF_TEXT_(level,name,text...) \ do { \ if (debug_level_enabled(lcs_dbf_##name, level)) { \ - sprintf(debug_buffer, text); \ + scnprintf(debug_buffer, sizeof(debug_buffer), text); \ debug_text_event(lcs_dbf_##name, level, debug_buffer); \ } \ } while (0) -- 2.7.4