diff options
| author | Yoann Padioleau <padator@wanadoo.fr> | 2007-07-27 11:45:00 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-07-31 21:35:22 +0100 |
| commit | 7e5829b56be5aeb931cf52d78c95285c2b8f50e3 (patch) | |
| tree | bb189a9b13e26383ada7c50d7934d2d6126d8e61 /arch/mips/pci/ops-pnx8550.c | |
| parent | 72db43be8bf610d50d86a9e683e0eff3c2cc5ba4 (diff) | |
| download | lwn-7e5829b56be5aeb931cf52d78c95285c2b8f50e3.tar.gz lwn-7e5829b56be5aeb931cf52d78c95285c2b8f50e3.zip | |
[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: Yoann Padioleau <padator@wanadoo.fr>
Cc: ralf@linux-mips.org
Cc: linux-mips@linux-mips.org
Cc: akpm@linux-foundation.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/pci/ops-pnx8550.c')
| -rw-r--r-- | arch/mips/pci/ops-pnx8550.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/mips/pci/ops-pnx8550.c b/arch/mips/pci/ops-pnx8550.c index f556b7a8dccd..d61064652498 100644 --- a/arch/mips/pci/ops-pnx8550.c +++ b/arch/mips/pci/ops-pnx8550.c @@ -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) |