Message ID | 20230418150018.3123753-1-colin.i.king@gmail.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
Series | [next] rv: remove redundant assignment to variable retval | expand |
On 4/18/23 17:00, Colin Ian King wrote: > Variable retval is being assigned a value that is never read, it is > being re-assigned a new value in both paths of a following if statement. > Remove the assignment. > > Cleans up clang-scan warning: > kernel/trace/rv/rv.c:293:2: warning: Value stored to 'retval' is never read [deadcode.DeadStores] > retval = count; > > Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Thanks! -- Daniel
diff --git a/kernel/trace/rv/rv.c b/kernel/trace/rv/rv.c index 7e9061828c24..2f68e93fff0b 100644 --- a/kernel/trace/rv/rv.c +++ b/kernel/trace/rv/rv.c @@ -290,8 +290,6 @@ static ssize_t monitor_enable_write_data(struct file *filp, const char __user *u if (retval) return retval; - retval = count; - mutex_lock(&rv_interface_lock); if (val)
Variable retval is being assigned a value that is never read, it is being re-assigned a new value in both paths of a following if statement. Remove the assignment. Cleans up clang-scan warning: kernel/trace/rv/rv.c:293:2: warning: Value stored to 'retval' is never read [deadcode.DeadStores] retval = count; Signed-off-by: Colin Ian King <colin.i.king@gmail.com> --- kernel/trace/rv/rv.c | 2 -- 1 file changed, 2 deletions(-)