Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

fs/ntfs3/lib/xpress_decompress.c read_huffsym() -> bitstream_ensure_bits()

Type Parameter Key Value
PARAM_VALUE 0 is 39477676124835840
PARAM_VALUE 0 is->end 4096-ptr_max
PARAM_VALUE 1 num_bits 15
DATA_SOURCE 0 is $0
DATA_SOURCE 1 num_bits $3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &sbi->compress.mtx_xpress
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &ni->ni_lock
TYPE_LOCK (struct ntfs_sb_info)->compress.mtx_xpress

fs/ntfs3/lib/xpress_decompress.c xpress_decompress() -> bitstream_ensure_bits()

Type Parameter Key Value
PARAM_VALUE 0 is 39477676124835840
PARAM_VALUE 0 is->end 4096-ptr_max
PARAM_VALUE 0 is->next 4096-ptr_max
PARAM_VALUE 1 num_bits 16
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &sbi->compress.mtx_xpress
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &ni->ni_lock
TYPE_LOCK (struct ntfs_sb_info)->compress.mtx_xpress

fs/ntfs3/lib/lzx_decompress.c bitstream_read_bits() -> bitstream_ensure_bits()

Type Parameter Key Value
PARAM_VALUE 0 is 1073799313767751680
PARAM_VALUE 0 is->end 4096-ptr_max
PARAM_VALUE 1 num_bits 0-13,4294967293-u32max
CAPPED_DATA 0 is->end 1
DATA_SOURCE 0 is $0
DATA_SOURCE 1 num_bits $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &sbi->compress.mtx_lzx
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &ni->ni_lock
TYPE_LOCK (struct ntfs_sb_info)->compress.mtx_lzx

fs/ntfs3/lib/lzx_decompress.c lzx_read_block_header() -> bitstream_ensure_bits()

Type Parameter Key Value
PARAM_VALUE 0 is 1073799313767751680
PARAM_VALUE 0 is->end 4096-ptr_max
PARAM_VALUE 1 num_bits 4
DATA_SOURCE 0 is $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &sbi->compress.mtx_lzx
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &ni->ni_lock
TYPE_LOCK (struct ntfs_sb_info)->compress.mtx_lzx

fs/ntfs3/lib/lzx_decompress.c lzx_read_block_header() -> bitstream_ensure_bits()

Type Parameter Key Value
PARAM_VALUE 0 is 1073799313767751680
PARAM_VALUE 0 is->end 4096-ptr_max
PARAM_VALUE 0 is->next 4096-ptr_max
PARAM_VALUE 1 num_bits 1
DATA_SOURCE 0 is $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &sbi->compress.mtx_lzx
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &ni->ni_lock
TYPE_LOCK (struct ntfs_sb_info)->compress.mtx_lzx

fs/ntfs3/lib/lzx_decompress.c read_huffsym() -> bitstream_ensure_bits()

Type Parameter Key Value
PARAM_VALUE 0 is 1073799313767751680
PARAM_VALUE 0 is->end 4096-ptr_max
PARAM_VALUE 1 num_bits 7,15-16
CAPPED_DATA 0 is->end 1
DATA_SOURCE 0 is $0
DATA_SOURCE 1 num_bits $3
HARD_MAX 1 num_bits 16
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &sbi->compress.mtx_lzx
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &ni->ni_lock
TYPE_LOCK (struct ntfs_sb_info)->compress.mtx_lzx