Bogus assertwaitok() in usb_block_allocmem()

[Gerhard Roth]

usb_block_allocmem() does not sleep and is careful to always use the
BUS_DMA_NOWAIT flag. So why the assertwaitok()?


Gerhard


Index: sys/dev/usb/usb_mem.c
===================================================================
RCS file: /cvs/src/sys/dev/usb/usb_mem.c,v
retrieving revision 1.31
diff -u -p -u -p -r1.31 usb_mem.c
--- sys/dev/usb/usb_mem.c       18 Nov 2018 16:33:26 -0000      1.31
+++ sys/dev/usb/usb_mem.c       5 Dec 2018 10:53:39 -0000
@@ -108,8 +108,6 @@ usb_block_allocmem(bus_dma_tag_t tag, si
        }
        splx(s);
 
-       assertwaitok();
-
        DPRINTFN(6, ("usb_block_allocmem: no free\n"));
        p = malloc(sizeof *p, M_USB, M_NOWAIT);
        if (p == NULL)