Commit 7db688e9 authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Kees Cook
Browse files

pstore/ram: Rate-limit "uncorrectable error in header" message 



There is a quite huge "uncorrectable error in header" flood in KMSG
on a clean system boot since there is no pstore buffer saved in RAM.
Let's silence the redundant noisy messages by rate-limiting the printk
message. Now there are maximum 10 messages printed repeatedly instead
of 35+.

Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210302095850.30894-1-digetx@gmail.com
parent 9c7d83ae

fs/pstore/ram_core.c

+1 −1
Original line number Diff line number Diff line
@@ -246,7 +246,7 @@ static int persistent_ram_init_ecc(struct persistent_ram_zone *prz, 
		pr_info("error in header, %d\n", numerr);

		prz->corrected_bytes += numerr;

	} else if (numerr < 0) {

		pr_info("uncorrectable error in header\n");

		pr_info_ratelimited("uncorrectable error in header\n");

		prz->bad_blocks++;

	}