diff options
Diffstat (limited to 'uncrypt')
| -rw-r--r-- | uncrypt/uncrypt.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/uncrypt/uncrypt.c b/uncrypt/uncrypt.c index aa75210..da035df 100644 --- a/uncrypt/uncrypt.c +++ b/uncrypt/uncrypt.c @@ -65,12 +65,15 @@ static struct fstab* fstab = NULL; static int write_at_offset(unsigned char* buffer, size_t size, int wfd, off64_t offset) { - lseek64(wfd, offset, SEEK_SET); + if (TEMP_FAILURE_RETRY(lseek64(wfd, offset, SEEK_SET)) == -1) { + ALOGE("error seeking to offset %lld: %s\n", offset, strerror(errno)); + return -1; + } size_t written = 0; while (written < size) { - ssize_t wrote = write(wfd, buffer + written, size - written); - if (wrote < 0) { - ALOGE("error writing offset %lld: %s\n", offset, strerror(errno)); + ssize_t wrote = TEMP_FAILURE_RETRY(write(wfd, buffer + written, size - written)); + if (wrote == -1) { + ALOGE("error writing offset %lld: %s\n", (offset + written), strerror(errno)); return -1; } written += wrote; @@ -275,8 +278,9 @@ int produce_block_map(const char* path, const char* map_file, const char* blk_de if (encrypted) { size_t so_far = 0; while (so_far < sb.st_blksize && pos < sb.st_size) { - ssize_t this_read = read(fd, buffers[tail] + so_far, sb.st_blksize - so_far); - if (this_read < 0) { + ssize_t this_read = + TEMP_FAILURE_RETRY(read(fd, buffers[tail] + so_far, sb.st_blksize - so_far)); + if (this_read == -1) { ALOGE("failed to read: %s\n", strerror(errno)); return -1; } @@ -340,8 +344,8 @@ void wipe_misc() { size_t written = 0; size_t size = sizeof(zeroes); while (written < size) { - ssize_t w = write(fd, zeroes, size-written); - if (w < 0 && errno != EINTR) { + ssize_t w = TEMP_FAILURE_RETRY(write(fd, zeroes, size-written)); + if (w == -1) { ALOGE("zero write failed: %s\n", strerror(errno)); return; } else { |