Merge branch '2020-06-03-misc-bugfixes'

- Update various docs to not have 'ARCH=' in them as that's not part of
  how U-Boot builds.
- Add macOS tools-only build to Azure to help catch problems on BSD
  hosts with tools.
- Bugfixes from the latest header cleanup around ARCH_DMA_MINALIGN
- Assorted small Kconfig logic/typo corrections
- Add a default hash to FIT images that have their its auto generated.
- Other assorted fixes

1 files changed, 7 insertions, 1 deletions

diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 8734663cd4c..c6378ecf34f 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -946,11 +946,17 @@ static int flash_read_buf(int dev, int fd, void *buf, size_t count,
 		lseek(fd, blockstart + block_seek, SEEK_SET);
 
 		rc = read(fd, buf + processed, readlen);
-		if (rc != readlen) {
+		if (rc == -1) {
 			fprintf(stderr, "Read error on %s: %s\n",
 				DEVNAME(dev), strerror(errno));
 			return -1;
 		}
+		if (rc != readlen) {
+			fprintf(stderr, "Read error on %s: "
+				"Attempted to read %d bytes but got %d\n",
+				DEVNAME(dev), readlen, rc);
+			return -1;
+		}
 #ifdef DEBUG
 		fprintf(stderr, "Read 0x%x bytes at 0x%llx on %s\n",
 			rc, (unsigned long long)blockstart + block_seek,