From 7e5829b56be5aeb931cf52d78c95285c2b8f50e3 Mon Sep 17 00:00:00 2001 From: Yoann Padioleau Date: Fri, 27 Jul 2007 11:45:00 +0200 Subject: [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 Cc: ralf@linux-mips.org Cc: linux-mips@linux-mips.org Cc: akpm@linux-foundation.org Signed-off-by: Ralf Baechle --- arch/mips/pci/ops-emma2rh.c | 2 +- arch/mips/pci/ops-pnx8550.c | 12 ++++++------ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/mips/pci/ops-emma2rh.c b/arch/mips/pci/ops-emma2rh.c index 38f181625e10..d31bfc6d4150 100644 --- a/arch/mips/pci/ops-emma2rh.c +++ b/arch/mips/pci/ops-emma2rh.c @@ -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; 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) -- cgit v1.2.3-59-g8ed1b