提交 4b290439 编写于 作者: R Roland Dreier

RDMA/amso1100: Don't use 0UL as a NULL pointer

Write tests for NULL pointers as

	if (!ptr)

instead of

	if (ptr == 0UL)

to fix sparse warnings.
Signed-off-by: NRoland Dreier <rolandd@cisco.com>
Acked-by: NSteve Wise <swise@opengridcomputing.com>
上级 ca281211
...@@ -1005,7 +1005,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev, ...@@ -1005,7 +1005,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Remap the adapter PCI registers in BAR4 */ /* Remap the adapter PCI registers in BAR4 */
mmio_regs = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET, mmio_regs = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET,
sizeof(struct c2_adapter_pci_regs)); sizeof(struct c2_adapter_pci_regs));
if (mmio_regs == 0UL) { if (!mmio_regs) {
printk(KERN_ERR PFX printk(KERN_ERR PFX
"Unable to remap adapter PCI registers in BAR4\n"); "Unable to remap adapter PCI registers in BAR4\n");
ret = -EIO; ret = -EIO;
...@@ -1109,7 +1109,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev, ...@@ -1109,7 +1109,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Remap the adapter HRXDQ PA space to kernel VA space */ /* Remap the adapter HRXDQ PA space to kernel VA space */
c2dev->mmio_rxp_ring = ioremap_nocache(reg4_start + C2_RXP_HRXDQ_OFFSET, c2dev->mmio_rxp_ring = ioremap_nocache(reg4_start + C2_RXP_HRXDQ_OFFSET,
C2_RXP_HRXDQ_SIZE); C2_RXP_HRXDQ_SIZE);
if (c2dev->mmio_rxp_ring == 0UL) { if (!c2dev->mmio_rxp_ring) {
printk(KERN_ERR PFX "Unable to remap MMIO HRXDQ region\n"); printk(KERN_ERR PFX "Unable to remap MMIO HRXDQ region\n");
ret = -EIO; ret = -EIO;
goto bail6; goto bail6;
...@@ -1118,7 +1118,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev, ...@@ -1118,7 +1118,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Remap the adapter HTXDQ PA space to kernel VA space */ /* Remap the adapter HTXDQ PA space to kernel VA space */
c2dev->mmio_txp_ring = ioremap_nocache(reg4_start + C2_TXP_HTXDQ_OFFSET, c2dev->mmio_txp_ring = ioremap_nocache(reg4_start + C2_TXP_HTXDQ_OFFSET,
C2_TXP_HTXDQ_SIZE); C2_TXP_HTXDQ_SIZE);
if (c2dev->mmio_txp_ring == 0UL) { if (!c2dev->mmio_txp_ring) {
printk(KERN_ERR PFX "Unable to remap MMIO HTXDQ region\n"); printk(KERN_ERR PFX "Unable to remap MMIO HTXDQ region\n");
ret = -EIO; ret = -EIO;
goto bail7; goto bail7;
...@@ -1129,7 +1129,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev, ...@@ -1129,7 +1129,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Remap the PCI registers in adapter BAR0 to kernel VA space */ /* Remap the PCI registers in adapter BAR0 to kernel VA space */
c2dev->regs = ioremap_nocache(reg0_start, reg0_len); c2dev->regs = ioremap_nocache(reg0_start, reg0_len);
if (c2dev->regs == 0UL) { if (!c2dev->regs) {
printk(KERN_ERR PFX "Unable to remap BAR0\n"); printk(KERN_ERR PFX "Unable to remap BAR0\n");
ret = -EIO; ret = -EIO;
goto bail8; goto bail8;
...@@ -1139,7 +1139,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev, ...@@ -1139,7 +1139,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
c2dev->pa = reg4_start + C2_PCI_REGS_OFFSET; c2dev->pa = reg4_start + C2_PCI_REGS_OFFSET;
c2dev->kva = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET, c2dev->kva = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET,
kva_map_size); kva_map_size);
if (c2dev->kva == 0UL) { if (!c2dev->kva) {
printk(KERN_ERR PFX "Unable to remap BAR4\n"); printk(KERN_ERR PFX "Unable to remap BAR4\n");
ret = -EIO; ret = -EIO;
goto bail9; goto bail9;
......
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