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pstore: Add prefix to ECC messages 

The "No errors detected" message from the ECC code is shown at the end
of the pstore log and can be confusing or misleading, especially since
it usually appears just after a kernel crash log which normally means
quite the opposite of "no errors".  Prefix the message to clarify that
this message is only about ECC-detected errors.

Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220301144932.89549-1-vincent.whitchurch@axis.com
This commit is contained in:
Vincent Whitchurch 2022-03-01 15:49:32 +01:00 committed by Kees Cook
parent 26291c54e1
commit 023bbde3db
1 changed files with 2 additions and 2 deletions
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4
fs/pstore/ram_core.c
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@ -263,10 +263,10 @@ ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz,
if (prz->corrected_bytes || prz->bad_blocks)
ret = snprintf(str, len, ""
"\n%d Corrected bytes, %d unrecoverable blocks\n",
"\nECC: %d Corrected bytes, %d unrecoverable blocks\n",
prz->corrected_bytes, prz->bad_blocks);
else
ret = snprintf(str, len, "\nNo errors detected\n");
ret = snprintf(str, len, "\nECC: No errors detected\n");
return ret;
}