Commit ddfb7d9d authored by Benjamin Gray's avatar Benjamin Gray Committed by Michael Ellerman
Browse files

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: default avatarBenjamin Gray <bgray@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231011053711.93427-5-bgray@linux.ibm.com
parent 340a60e3

arch/powerpc/kernel/setup_64.c

+1 −1
Original line number Diff line number Diff line
@@ -364,7 +364,7 @@ void __init early_setup(unsigned long dt_ptr) 
	 */

	initialise_paca(&boot_paca, 0);

	fixup_boot_paca(&boot_paca);

	WARN_ON(local_paca != 0);

	WARN_ON(local_paca);

	setup_paca(&boot_paca); /* install the paca into registers */



	/* -------- printk is now safe to use ------- */

arch/powerpc/kvm/book3s_xive_native.c

+1 −1
Original line number Diff line number Diff line
@@ -567,7 +567,7 @@ static int kvmppc_xive_native_set_queue_config(struct kvmppc_xive *xive, 
	u8 priority;

	struct kvm_ppc_xive_eq kvm_eq;

	int rc;

	__be32 *qaddr = 0;

	__be32 *qaddr = NULL;

	struct page *page;

	struct xive_q *q;

	gfn_t gfn;

arch/powerpc/net/bpf_jit_comp.c

+2 −2
Original line number Diff line number Diff line
@@ -146,9 +146,9 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) 
	 * update ctgtx.idx as it pretends to output instructions, then we can

	 * calculate total size from idx.

	 */

	bpf_jit_build_prologue(0, &cgctx);

	bpf_jit_build_prologue(NULL, &cgctx);

	addrs[fp->len] = cgctx.idx * 4;

	bpf_jit_build_epilogue(0, &cgctx);

	bpf_jit_build_epilogue(NULL, &cgctx);



	fixup_len = fp->aux->num_exentries * BPF_FIXUP_LEN * 4;

	extable_len = fp->aux->num_exentries * sizeof(struct exception_table_entry);

arch/powerpc/perf/imc-pmu.c

+1 −1
Original line number Diff line number Diff line
@@ -544,7 +544,7 @@ static int nest_imc_event_init(struct perf_event *event) 
			break;

		}

		pcni++;

	} while (pcni->vbase != 0);

	} while (pcni->vbase);



	if (!flag)

		return -ENODEV;

arch/powerpc/platforms/4xx/soc.c

+1 −1
Original line number Diff line number Diff line
@@ -112,7 +112,7 @@ static int __init ppc4xx_l2c_probe(void) 
	}



	/* Install error handler */

	if (request_irq(irq, l2c_error_handler, 0, "L2C", 0) < 0) {

	if (request_irq(irq, l2c_error_handler, 0, "L2C", NULL) < 0) {

		printk(KERN_ERR "Cannot install L2C error handler"

		       ", cache is not enabled\n");

		of_node_put(np);