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Subject[PATCH] ath10k: use 64-bit crash dump timestamps
Date
The dump format uses 64-bit timestamps already, but calling
getnstimeofday() only returns a 32-bit number on 32-bit architectures,
so that will overflow in y2038.

This changes it to use ktime_get_real_ts64() instead.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/net/wireless/ath/ath10k/core.h | 2 +-
drivers/net/wireless/ath/ath10k/debug.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 643041ef3271..dd3c6c63aae1 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -463,7 +463,7 @@ struct ath10k_fw_crash_data {
bool crashed_since_read;

guid_t guid;
- struct timespec timestamp;
+ struct timespec64 timestamp;
__le32 registers[REG_DUMP_COUNT_QCA988X];
struct ath10k_ce_crash_data ce_crash_data[CE_COUNT_MAX];
};
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index df514507d3f1..66498e3c0f91 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -720,7 +720,7 @@ ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)

crash_data->crashed_since_read = true;
guid_gen(&crash_data->guid);
- getnstimeofday(&crash_data->timestamp);
+ ktime_get_real_ts64(&crash_data->timestamp);

return crash_data;
}
--
2.9.0
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