powerpc/bpf: Remove redundant check for non-null image

We have a check earlier to ensure we don't proceed if image is NULL. As
such, the redundant check can be removed.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
[Added similar changes for classic BPF JIT]
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/net/bpf_jit_comp.c

@@ -662,16 +662,17 @@ void bpf_jit_compile(struct bpf_prog *fp)
 		 */
 		bpf_jit_dump(flen, proglen, pass, code_base);
 
-	if (image) {
-		bpf_flush_icache(code_base, code_base + (proglen/4));
+	bpf_flush_icache(code_base, code_base + (proglen/4));
+
 #ifdef CONFIG_PPC64
-		/* Function descriptor nastiness: Address + TOC */
-		((u64 *)image)[0] = (u64)code_base;
-		((u64 *)image)[1] = local_paca->kernel_toc;
+	/* Function descriptor nastiness: Address + TOC */
+	((u64 *)image)[0] = (u64)code_base;
+	((u64 *)image)[1] = local_paca->kernel_toc;
 #endif
-		fp->bpf_func = (void *)image;
-		fp->jited = 1;
-	}
+
+	fp->bpf_func = (void *)image;
+	fp->jited = 1;
+
 out:
 	kfree(addrs);
 	return;

arch/powerpc/net/bpf_jit_comp64.c

@@ -1046,16 +1046,16 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 		 */
 		bpf_jit_dump(flen, proglen, pass, code_base);
 
-	if (image) {
-		bpf_flush_icache(bpf_hdr, image + alloclen);
+	bpf_flush_icache(bpf_hdr, image + alloclen);
+
 #ifdef PPC64_ELF_ABI_v1
-		/* Function descriptor nastiness: Address + TOC */
-		((u64 *)image)[0] = (u64)code_base;
-		((u64 *)image)[1] = local_paca->kernel_toc;
+	/* Function descriptor nastiness: Address + TOC */
+	((u64 *)image)[0] = (u64)code_base;
+	((u64 *)image)[1] = local_paca->kernel_toc;
 #endif
-		fp->bpf_func = (void *)image;
-		fp->jited = 1;
-	}
+
+	fp->bpf_func = (void *)image;
+	fp->jited = 1;
 
 out:
 	kfree(addrs);