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powerpc: Use NULL instead of 0 for null pointers
Sparse reports several uses of 0 for pointer arguments and comparisons. Replace with NULL to better convey the intent. Remove entirely if a comparison to follow the kernel style of implicit boolean conversions. Signed-off-by: Benjamin Gray <bgray@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20231011053711.93427-5-bgray@linux.ibm.com
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@ -364,7 +364,7 @@ void __init early_setup(unsigned long dt_ptr)
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*/
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initialise_paca(&boot_paca, 0);
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fixup_boot_paca(&boot_paca);
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WARN_ON(local_paca != 0);
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WARN_ON(local_paca);
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setup_paca(&boot_paca); /* install the paca into registers */
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/* -------- printk is now safe to use ------- */
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@ -567,7 +567,7 @@ static int kvmppc_xive_native_set_queue_config(struct kvmppc_xive *xive,
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u8 priority;
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struct kvm_ppc_xive_eq kvm_eq;
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int rc;
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__be32 *qaddr = 0;
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__be32 *qaddr = NULL;
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struct page *page;
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struct xive_q *q;
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gfn_t gfn;
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@ -146,9 +146,9 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
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* update ctgtx.idx as it pretends to output instructions, then we can
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* calculate total size from idx.
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*/
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bpf_jit_build_prologue(0, &cgctx);
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bpf_jit_build_prologue(NULL, &cgctx);
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addrs[fp->len] = cgctx.idx * 4;
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bpf_jit_build_epilogue(0, &cgctx);
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bpf_jit_build_epilogue(NULL, &cgctx);
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fixup_len = fp->aux->num_exentries * BPF_FIXUP_LEN * 4;
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extable_len = fp->aux->num_exentries * sizeof(struct exception_table_entry);
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@ -544,7 +544,7 @@ static int nest_imc_event_init(struct perf_event *event)
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break;
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}
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pcni++;
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} while (pcni->vbase != 0);
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} while (pcni->vbase);
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if (!flag)
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return -ENODEV;
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@ -112,7 +112,7 @@ static int __init ppc4xx_l2c_probe(void)
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}
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/* Install error handler */
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if (request_irq(irq, l2c_error_handler, 0, "L2C", 0) < 0) {
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if (request_irq(irq, l2c_error_handler, 0, "L2C", NULL) < 0) {
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printk(KERN_ERR "Cannot install L2C error handler"
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", cache is not enabled\n");
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of_node_put(np);
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@ -192,9 +192,9 @@ static void free_dtl_buffers(unsigned long *time_limit)
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continue;
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kmem_cache_free(dtl_cache, pp->dispatch_log);
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pp->dtl_ridx = 0;
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pp->dispatch_log = 0;
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pp->dispatch_log_end = 0;
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pp->dtl_curr = 0;
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pp->dispatch_log = NULL;
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pp->dispatch_log_end = NULL;
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pp->dtl_curr = NULL;
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if (time_limit && time_after(jiffies, *time_limit)) {
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cond_resched();
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@ -223,7 +223,7 @@ static void destroy_cpu_associativity(void)
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{
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kfree(vcpu_associativity);
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kfree(pcpu_associativity);
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vcpu_associativity = pcpu_associativity = 0;
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vcpu_associativity = pcpu_associativity = NULL;
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}
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static __be32 *__get_cpu_associativity(int cpu, __be32 *cpu_assoc, int flag)
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