From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:41253) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ghMfB-0007OM-2k for qemu-devel@nongnu.org; Wed, 09 Jan 2019 17:49:29 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ghMf9-0006Lq-Cn for qemu-devel@nongnu.org; Wed, 09 Jan 2019 17:49:28 -0500 From: BALATON Zoltan Date: Wed, 9 Jan 2019 23:37:33 +0100 Message-Id: <20190109224919.2082F7456A2@zero.eik.bme.hu> Subject: [Qemu-devel] [PATCH] ppc440: Avoid reporting error when reading non-existent RAM slot List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: David Gibson When reading base register of RAM slot with no RAM we should not try to calculate register value because that will result printing an error due to invalid RAM size. Just return 0 without the error in this case. Signed-off-by: BALATON Zoltan --- hw/ppc/ppc440_uc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/hw/ppc/ppc440_uc.c b/hw/ppc/ppc440_uc.c index c489368905..9130eb314c 100644 --- a/hw/ppc/ppc440_uc.c +++ b/hw/ppc/ppc440_uc.c @@ -613,8 +613,10 @@ static uint32_t dcr_read_sdram(void *opaque, int dcrn) case SDRAM_R1BAS: case SDRAM_R2BAS: case SDRAM_R3BAS: - ret = sdram_bcr(sdram->ram_bases[dcrn - SDRAM_R0BAS], - sdram->ram_sizes[dcrn - SDRAM_R0BAS]); + if (sdram->ram_sizes[dcrn - SDRAM_R0BAS]) { + ret = sdram_bcr(sdram->ram_bases[dcrn - SDRAM_R0BAS], + sdram->ram_sizes[dcrn - SDRAM_R0BAS]); + } break; case SDRAM_CONF1HB: case SDRAM_CONF1LL: -- 2.13.7