powerpc/ptdump: Fix build failure in hashpagetable.c

H_SUCCESS is only defined when CONFIG_PPC_PSERIES is defined.

!= H_SUCCESS means != 0. Modify the test accordingly.

Fixes: 65e701b2d2a8 ("powerpc/ptdump: drop non vital #ifdefs")
Cc: stable@vger.kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/795158fc1d2b3dff3bf7347881947a887ea9391a.1592227105.git.christophe.leroy@csgroup.eu

diff --git a/arch/powerpc/mm/ptdump/hashpagetable.c b/arch/powerpc/mm/ptdump/hashpagetable.c
index a2c33ef..5b8bd34 100644 (file)
--- a/arch/powerpc/mm/ptdump/hashpagetable.c
+++ b/arch/powerpc/mm/ptdump/hashpagetable.c
@@ -258,7 +258,7 @@ static int pseries_find(unsigned long ea, int psize, bool primary, u64 *v, u64 *
        for (i = 0; i < HPTES_PER_GROUP; i += 4, hpte_group += 4) {
                lpar_rc = plpar_pte_read_4(0, hpte_group, (void *)ptes);
 
-               if (lpar_rc != H_SUCCESS)
+               if (lpar_rc)
                        continue;
                for (j = 0; j < 4; j++) {
                        if (HPTE_V_COMPARE(ptes[j].v, want_v) &&