From 6457ade9bc42c3ab7eea29e5045c985b0dfc2302 Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Tue, 21 Apr 2020 13:40:02 +0100 Subject: wil6210: fix temperature debugfs [ Upstream commit 6d9eb7ebae3d7e951bc0999235ae7028eb4cae4f ] For negative temperatures, "temp" debugfs is showing wrong values. Use signed types so proper calculations is done for sub zero temperatures. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo Signed-off-by: Lee Jones Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/ath/wil6210/debugfs.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 5e4058a4037b..cbf3958d788a 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1091,7 +1091,7 @@ static const struct file_operations fops_ssid = { }; /*---------temp------------*/ -static void print_temp(struct seq_file *s, const char *prefix, u32 t) +static void print_temp(struct seq_file *s, const char *prefix, s32 t) { switch (t) { case 0: @@ -1099,7 +1099,8 @@ static void print_temp(struct seq_file *s, const char *prefix, u32 t) seq_printf(s, "%s N/A\n", prefix); break; default: - seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000); + seq_printf(s, "%s %s%d.%03d\n", prefix, (t < 0 ? "-" : ""), + abs(t / 1000), abs(t % 1000)); break; } } @@ -1107,7 +1108,7 @@ static void print_temp(struct seq_file *s, const char *prefix, u32 t) static int wil_temp_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; - u32 t_m, t_r; + s32 t_m, t_r; int rc = wmi_get_temperature(wil, &t_m, &t_r); if (rc) { -- cgit v1.2.3