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Check if some pointers are not NULL due to read errors or other problems Signed-off-by: Frediano Ziglio <frediano.ziglio at citrix.com> --- core/fs/ext2/ext2.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/core/fs/ext2/ext2.c b/core/fs/ext2/ext2.c index bddde8d..8f0f2a4 100644 --- a/core/fs/ext2/ext2.c +++ b/core/fs/ext2/ext2.c @@ -139,6 +139,8 @@ ext2_get_inode(struct fs_info *fs, int inr) block_off = inode_offset % EXT2_INODES_PER_BLOCK(fs); data = get_cache(fs->fs_dev, block_num); + if (!data) + return NULL; return (const struc...

...r_t part_start, is_power_of_2(edd_params.sector_size)) sector_size = edd_params.sector_size; } + if (hard_max_transfer > (0x10000/sector_size)) + hard_max_transfer = (0x10000/sector_size); } } diff --git a/core/fs/ext2/ext2.c b/core/fs/ext2/ext2.c index 716670c..bddde8d 100644 --- a/core/fs/ext2/ext2.c +++ b/core/fs/ext2/ext2.c @@ -274,7 +274,7 @@ static int ext2_fs_init(struct fs_info *fs) struct cache *cs; /* read the super block */ - disk->rdwr_sectors(disk, &sb, 2, 2, 0); + rdwr_bytes(disk, &sb, 2*512, 2*512, 0); /* check if...