aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDave Penkler <[email protected]>2025-05-21 12:16:56 +0000
committerGreg Kroah-Hartman <[email protected]>2025-05-21 13:01:09 +0000
commit342e4955a1f1ce28c70a589999b76365082dbf10 (patch)
treef778c718a4f7f88418b3bad9a0632dbb1058f921
parentusb: usbtmc: Fix read_stb function and get_stb ioctl (diff)
downloadkernel-342e4955a1f1ce28c70a589999b76365082dbf10.tar.gz
kernel-342e4955a1f1ce28c70a589999b76365082dbf10.zip
usb: usbtmc: Fix timeout value in get_stb
wait_event_interruptible_timeout requires a timeout argument in units of jiffies. It was being called in usbtmc_get_stb with the usb timeout value which is in units of milliseconds. Pass the timeout argument converted to jiffies. Fixes: 048c6d88a021 ("usb: usbtmc: Add ioctls to set/get usb timeout") Cc: [email protected] Signed-off-by: Dave Penkler <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
-rw-r--r--drivers/usb/class/usbtmc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 08511442a27f..75de29725a45 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -483,6 +483,7 @@ static int usbtmc_get_stb(struct usbtmc_file_data *file_data, __u8 *stb)
u8 tag;
int rv;
long wait_rv;
+ unsigned long expire;
dev_dbg(dev, "Enter ioctl_read_stb iin_ep_present: %d\n",
data->iin_ep_present);
@@ -512,10 +513,11 @@ static int usbtmc_get_stb(struct usbtmc_file_data *file_data, __u8 *stb)
}
if (data->iin_ep_present) {
+ expire = msecs_to_jiffies(file_data->timeout);
wait_rv = wait_event_interruptible_timeout(
data->waitq,
atomic_read(&data->iin_data_valid) != 0,
- file_data->timeout);
+ expire);
if (wait_rv < 0) {
dev_dbg(dev, "wait interrupted %ld\n", wait_rv);
rv = wait_rv;