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New Defects reported by Coverity Scan for NetBSD-amd64-user


Please find the latest report on new defect(s) introduced to NetBSD found with 
Coverity Scan.

Defect(s) Reported-by: Coverity Scan
Showing 7 of 46 defect(s)

** CID 274829:  Dereference null return value  (NULL_RETURNS)
/sys/rump/fs/lib/libsyspuffs/puffs_rumpglue.c: 163 in writethread()

** CID 274525:  Explicit null dereferenced  (FORWARD_NULL)
/sys/fs/filecorefs/filecore_vfsops.c: 293 in filecore_mount()

** CID 274767:  Explicit null dereferenced  (FORWARD_NULL)
/sys/fs/sysvbfs/sysvbfs_vfsops.c: 119 in sysvbfs_mount()

** CID 274190:  Dereference after null check  (FORWARD_NULL)
/sys/kern/tty.c: 1045 in ttioctl()

** CID 975184:  Unchecked return value  (CHECKED_RETURN)
/sys/dev/bluetooth/bthub.c: 114 in bthub_attach()

** CID 270839:  Explicit null dereferenced  (FORWARD_NULL)
/sys/fs/msdosfs/msdosfs_fat.c: 913 in freeclusterchain()
/sys/fs/msdosfs/msdosfs_fat.c: 896 in freeclusterchain()
/sys/fs/msdosfs/msdosfs_fat.c: 909 in freeclusterchain()

** CID 270838:  Explicit null dereferenced  (FORWARD_NULL)
/sys/fs/msdosfs/msdosfs_fat.c: 301 in pcbmap()
/sys/fs/msdosfs/msdosfs_fat.c: 299 in pcbmap()

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