[PATCH 1/3] powerpc: bpf: remove redundant check for non-null image

[Naveen N. Rao]

From: Daniel Borkmann <dan...@iogearbox.net>

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 <dan...@iogearbox.net>
[Added similar changes for classic BPF JIT]
Signed-off-by: Naveen N. Rao <naveen.n....@linux.vnet.ibm.com>
---
 arch/powerpc/net/bpf_jit_comp.c   | 17 +++++++++--------
 arch/powerpc/net/bpf_jit_comp64.c | 16 ++++++++--------
 2 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 7e706f3..f9941b3 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/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;
diff --git a/arch/powerpc/net/bpf_jit_comp64.c 
b/arch/powerpc/net/bpf_jit_comp64.c
index 0fe98a5..89b6a86 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/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);
-- 
2.10.2