提交 2dca88da 编写于 作者: P Paul Burton 提交者: Ralf Baechle

MIPS: ops-emma2rh: Drop nonsensical db_assert

The db_assert call checks whether the bus_num pointer is non-NULL, but
does so after said pointer has been dereferenced by the assignment on
the previous line. Thus the check is pointless & likely to have been
optimised out by the compiler anyway. The check_args function is static
& only ever called from the local file with bus_num being a pointer to
an on-stack variable, so the check seems somewhat overzealous anyway.
Simply remove it.
Signed-off-by: NPaul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/10692/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
上级 e51395d2
......@@ -25,7 +25,6 @@
#include <linux/types.h>
#include <asm/addrspace.h>
#include <asm/debug.h>
#include <asm/emma/emma2rh.h>
......@@ -40,10 +39,9 @@
static int check_args(struct pci_bus *bus, u32 devfn, u32 * bus_num)
{
/* check if the bus is top-level */
if (bus->parent != NULL) {
if (bus->parent != NULL)
*bus_num = bus->number;
db_assert(bus_num != NULL);
} else
else
*bus_num = 0;
if (*bus_num == 0) {
......
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