btrfs-progs: Documentation: add T/P/E description for resize cmd

Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
Reviewed-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
btrfs-progs: check, fix path leak in error branch

Resolves-coverity-id: 1260250
Signed-off-by: David Sterba <dsterba@suse.cz>
btrfs-progs: fi show, don't leak canonical path

Resolves-coverity-id: 1260252
Signed-off-by: David Sterba <dsterba@suse.cz>
btrfs-progs: check, missing parens around compound block in find_normal_file_extent

Resolves-coverity-id: 1260248
Signed-off-by: David Sterba <dsterba@suse.cz>
btrfs-progs: fix overflow check in btrfs_insert_inode_ref

Resolves-coverity-id: 1260247
Signed-off-by: David Sterba <dsterba@suse.cz>
btrfs-progs: fix minor leak of dev_info in btrfs_scan_kernel

Resolves-coverity-id: 1127098
Signed-off-by: David Sterba <dsterba@suse.cz>