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author | Elliott Hughes <enh@google.com> | 2015-04-30 06:11:41 +0200 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2015-04-30 06:11:41 +0200 |
commit | 34c7731a0bb296a1289b85a83f53026117aa3677 (patch) | |
tree | e2c357667b0e76e6fa5a43c7a7951c872c373e9c /fuse_sdcard_provider.c | |
parent | Merge "Stop using adb_strtok, and check argument validity." (diff) | |
parent | Check all lseek calls succeed. (diff) | |
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Diffstat (limited to 'fuse_sdcard_provider.c')
-rw-r--r-- | fuse_sdcard_provider.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/fuse_sdcard_provider.c b/fuse_sdcard_provider.c index ca8c914f9..4565c7b5b 100644 --- a/fuse_sdcard_provider.c +++ b/fuse_sdcard_provider.c @@ -36,19 +36,17 @@ struct file_data { static int read_block_file(void* cookie, uint32_t block, uint8_t* buffer, uint32_t fetch_size) { struct file_data* fd = (struct file_data*)cookie; - if (lseek(fd->fd, block * fd->block_size, SEEK_SET) < 0) { - printf("seek on sdcard failed: %s\n", strerror(errno)); + off64_t offset = ((off64_t) block) * fd->block_size; + if (TEMP_FAILURE_RETRY(lseek64(fd->fd, offset, SEEK_SET)) == -1) { + fprintf(stderr, "seek on sdcard failed: %s\n", strerror(errno)); return -EIO; } while (fetch_size > 0) { - ssize_t r = read(fd->fd, buffer, fetch_size); - if (r < 0) { - if (r != -EINTR) { - printf("read on sdcard failed: %s\n", strerror(errno)); - return -EIO; - } - r = 0; + ssize_t r = TEMP_FAILURE_RETRY(read(fd->fd, buffer, fetch_size)); + if (r == -1) { + fprintf(stderr, "read on sdcard failed: %s\n", strerror(errno)); + return -EIO; } fetch_size -= r; buffer += r; |