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extmod/vfs: Skip littlefs detection if mp_vfs_blockdev_read_ext() fails. #19306

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extmod/vfs: Skip littlefs detection if mp_vfs_blockdev_read_ext() fails. #19306

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4 changes: 3 additions & 1 deletion extmod/vfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -173,7 +173,9 @@ static mp_obj_t mp_vfs_autodetect(mp_obj_t bdev_obj) {
mp_vfs_blockdev_init(&blockdev, bdev_obj);
uint8_t buf[44];
for (size_t block_num = 0; block_num <= 1; ++block_num) {
mp_vfs_blockdev_read_ext(&blockdev, block_num, 8, sizeof(buf), buf);
if (mp_vfs_blockdev_read_ext(&blockdev, block_num, 8, sizeof(buf), buf) != 0) {
continue;
}
#if MICROPY_VFS_LFS1
if (memcmp(&buf[32], "littlefs", 8) == 0) {
// LFS1
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