[PATCH v2] ARM: imx: romapi: Fix signed integer bitwise ops misuse

[Marek Vasut]

Bitwise operations on signed integers are not defined,
replace them with per-call checks.

Reviewed-by: Peng Fan <peng.fan at nxp.com>
Signed-off-by: Marek Vasut <marex at denx.de>
---
Cc: "NXP i.MX U-Boot Team" <uboot-imx at nxp.com>
Cc: Fabio Estevam <festevam at denx.de>
Cc: Heiko Schocher <hs at denx.de>
Cc: Heinrich Schuchardt <xypron.glpk at gmx.de>
Cc: Rasmus Villemoes <rasmus.villemoes at prevas.dk>
Cc: Simon Glass <sjg at chromium.org>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Tom Rini <trini at konsulko.com>
Cc: Ye Li <ye.li at nxp.com>
---
V2: - s at then@them@
    - Add RB from Peng
---
 arch/arm/mach-imx/spl_imx_romapi.c | 32 ++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 11 deletions(-)

diff --git a/arch/arm/mach-imx/spl_imx_romapi.c b/arch/arm/mach-imx/spl_imx_romapi.c
index 9164045115f..4af41699678 100644
--- a/arch/arm/mach-imx/spl_imx_romapi.c
+++ b/arch/arm/mach-imx/spl_imx_romapi.c
@@ -76,13 +76,16 @@ static int spl_romapi_load_image_seekable(struct spl_image_info *spl_image,
 	u32 image_offset;
 
 	ret = rom_api_query_boot_infor(QUERY_IVT_OFF, &offset);
-	ret |= rom_api_query_boot_infor(QUERY_PAGE_SZ, &pagesize);
-	ret |= rom_api_query_boot_infor(QUERY_IMG_OFF, &image_offset);
+	if (ret != ROM_API_OKAY)
+		goto err;
 
-	if (ret != ROM_API_OKAY) {
-		puts("ROMAPI: Failure query boot infor pagesize/offset\n");
-		return -1;
-	}
+	ret = rom_api_query_boot_infor(QUERY_PAGE_SZ, &pagesize);
+	if (ret != ROM_API_OKAY)
+		goto err;
+
+	ret = rom_api_query_boot_infor(QUERY_IMG_OFF, &image_offset);
+	if (ret != ROM_API_OKAY)
+		goto err;
 
 	header = (struct legacy_img_hdr *)(CONFIG_SPL_IMX_ROMAPI_LOADADDR);
 
@@ -124,6 +127,10 @@ static int spl_romapi_load_image_seekable(struct spl_image_info *spl_image,
 	}
 
 	return 0;
+
+err:
+	puts("ROMAPI: Failure query boot infor pagesize/offset\n");
+	return -1;
 }
 
 static ulong spl_ram_load_read(struct spl_load_info *load, ulong sector,
@@ -344,12 +351,12 @@ int board_return_to_bootrom(struct spl_image_info *spl_image,
 	u32 boot, bstage;
 
 	ret = rom_api_query_boot_infor(QUERY_BT_DEV, &boot);
-	ret |= rom_api_query_boot_infor(QUERY_BT_STAGE, &bstage);
+	if (ret != ROM_API_OKAY)
+		goto err;
 
-	if (ret != ROM_API_OKAY) {
-		puts("ROMAPI: failure at query_boot_info\n");
-		return -1;
-	}
+	ret = rom_api_query_boot_infor(QUERY_BT_STAGE, &bstage);
+	if (ret != ROM_API_OKAY)
+		goto err;
 
 	printf("Boot Stage: ");
 
@@ -374,4 +381,7 @@ int board_return_to_bootrom(struct spl_image_info *spl_image,
 		return spl_romapi_load_image_stream(spl_image, bootdev);
 
 	return spl_romapi_load_image_seekable(spl_image, bootdev, boot);
+err:
+	puts("ROMAPI: failure at query_boot_info\n");
+	return -1;
 }
-- 
2.40.1