Leaving granularity at 1ns because it is dependent on the specific attached backing pstore module. ramoops has microsecond resolution.
Fix the readback of ramoops fractional timestamp microseconds, which has incorrectly been reporting the value as nanoseconds since 3f8f80f0 ("pstore/ram: Read and write to the 'compressed' flag of pstore").
Signed-off-by: Deepa Dinamani deepa.kernel@gmail.com Acked-by: Kees Cook keescook@chromium.org Cc: anton@enomsg.org Cc: ccross@android.com Cc: keescook@chromium.org Cc: tony.luck@intel.com --- fs/pstore/ram.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 2bb3468fc93a..8caff834f002 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -144,6 +144,7 @@ static int ramoops_read_kmsg_hdr(char *buffer, struct timespec64 *time, if (sscanf(buffer, RAMOOPS_KERNMSG_HDR "%lld.%lu-%c\n%n", (time64_t *)&time->tv_sec, &time->tv_nsec, &data_type, &header_length) == 3) { + time->tv_nsec *= 1000; if (data_type == 'C') *compressed = true; else @@ -151,6 +152,7 @@ static int ramoops_read_kmsg_hdr(char *buffer, struct timespec64 *time, } else if (sscanf(buffer, RAMOOPS_KERNMSG_HDR "%lld.%lu\n%n", (time64_t *)&time->tv_sec, &time->tv_nsec, &header_length) == 2) { + time->tv_nsec *= 1000; *compressed = false; } else { time->tv_sec = 0;