diff options
| author | Alexei Starovoitov <ast@kernel.org> | 2025-06-26 09:48:06 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2025-06-26 09:49:39 -0700 |
| commit | 886178a33a30fe685e926d84f531243982fb3c70 (patch) | |
| tree | 23d0020f98ba1015593795ca957c55e5a306bd68 /drivers/usb/class/usbtmc.c | |
| parent | 5046acc11382565c4a46818a5bc43bb65d20ed31 (diff) | |
| parent | e34a79b96ab9d49ed8b605fee11099cf3efbb428 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after rc3
Cross-merge BPF, perf and other fixes after downstream PRs.
It restores BPF CI to green after critical fix
commit bc4394e5e79c ("perf: Fix the throttle error of some clock events")
No conflicts.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/usb/class/usbtmc.c')
| -rw-r--r-- | drivers/usb/class/usbtmc.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 740d2d2b19fb..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; @@ -563,14 +565,15 @@ static int usbtmc488_ioctl_read_stb(struct usbtmc_file_data *file_data, rv = usbtmc_get_stb(file_data, &stb); - if (rv > 0) { - srq_asserted = atomic_xchg(&file_data->srq_asserted, - srq_asserted); - if (srq_asserted) - stb |= 0x40; /* Set RQS bit */ + if (rv < 0) + return rv; + + srq_asserted = atomic_xchg(&file_data->srq_asserted, srq_asserted); + if (srq_asserted) + stb |= 0x40; /* Set RQS bit */ + + rv = put_user(stb, (__u8 __user *)arg); - rv = put_user(stb, (__u8 __user *)arg); - } return rv; } @@ -2199,7 +2202,7 @@ static long usbtmc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case USBTMC_IOCTL_GET_STB: retval = usbtmc_get_stb(file_data, &tmp_byte); - if (retval > 0) + if (!retval) retval = put_user(tmp_byte, (__u8 __user *)arg); break; |