[PATCH 1/7] arm: mach-omap: Change file flags in emmc handler

Daniel Schultz d.schultz at phytec.de
Fri Apr 28 05:46:02 PDT 2017


This handler tries to read from a file descriptor with 'write only'
flags and fails. Add read permissions for the file, so the handler can
read the partition layout.

Signed-off-by: Daniel Schultz <d.schultz at phytec.de>
---
 arch/arm/mach-omap/am33xx_bbu_emmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap/am33xx_bbu_emmc.c b/arch/arm/mach-omap/am33xx_bbu_emmc.c
index 3220575..d3adb37 100644
--- a/arch/arm/mach-omap/am33xx_bbu_emmc.c
+++ b/arch/arm/mach-omap/am33xx_bbu_emmc.c
@@ -39,7 +39,7 @@ static int emmc_mlo_handler(struct bbu_handler *handler, struct bbu_data *data)
 	if (ret != 0)
 		return ret;
 
-	fd = open(handler->devicefile, O_WRONLY);
+	fd = open(handler->devicefile, O_RDWR);
 	if (fd < 0) {
 		pr_err("could not open %s: %s\n", handler->devicefile,
 			errno_str());
-- 
1.9.1




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