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Commit 7e5829b5 authored by Yoann Padioleau's avatar Yoann Padioleau Committed by Ralf Baechle
Browse files

[MIPS] 0 -> NULL 



When comparing a pointer, it's clearer to compare it to NULL than to 0.

Here is an excerpt of the semantic patch:

@@
expression *E;
@@

  E ==
- 0
+ NULL

@@
expression *E;
@@

  E !=
- 0
+ NULL

Signed-off-by: default avatarYoann Padioleau <padator@wanadoo.fr>
Cc: ralf@linux-mips.org
Cc: linux-mips@linux-mips.org
Cc: akpm@linux-foundation.org
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 72db43be

arch/mips/pci/ops-emma2rh.c

+1 −1
Original line number Diff line number Diff line
@@ -45,7 +45,7 @@ static int check_args(struct pci_bus *bus, u32 devfn, u32 * bus_num) 
	/* check if the bus is top-level */

	if (bus->parent != NULL) {

		*bus_num = bus->number;

		db_assert(bus_num != 0);

		db_assert(bus_num != NULL);

	} else

		*bus_num = 0;

arch/mips/pci/ops-pnx8550.c

+6 −6
Original line number Diff line number Diff line
@@ -117,7 +117,7 @@ read_config_byte(struct pci_bus *bus, unsigned int devfn, int where, u8 * val) 
	unsigned int data = 0;

	int err;



	if (bus == 0)

	if (bus == NULL)

		return -1;



	err = config_access(PCI_CMD_CONFIG_READ, bus, devfn, where, ~(1 << (where & 3)), &data);
@@ -145,7 +145,7 @@ read_config_word(struct pci_bus *bus, unsigned int devfn, int where, u16 * val) 
	unsigned int data = 0;

	int err;



	if (bus == 0)

	if (bus == NULL)

		return -1;



	if (where & 0x01)
@@ -168,7 +168,7 @@ static int 
read_config_dword(struct pci_bus *bus, unsigned int devfn, int where, u32 * val)

{

	int err;

	if (bus == 0)

	if (bus == NULL)

		return -1;



	if (where & 0x03)
@@ -185,7 +185,7 @@ write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, u8 val) 
	unsigned int data = (unsigned int)val;

	int err;



	if (bus == 0)

	if (bus == NULL)

		return -1;



	switch (where & 0x03) {
@@ -213,7 +213,7 @@ write_config_word(struct pci_bus *bus, unsigned int devfn, int where, u16 val) 
	unsigned int data = (unsigned int)val;

	int err;



	if (bus == 0)

	if (bus == NULL)

		return -1;



	if (where & 0x01)
@@ -235,7 +235,7 @@ static int 
write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, u32 val)

{

	int err;

	if (bus == 0)

	if (bus == NULL)

		return -1;



	if (where & 0x03)