mm: deduplicate error handling for map_deny_write_exec

Patch series "Fixes for MDWE prctl"

These are four small fixes for the recent memory-write-deny-execute prctl
patches [1].  Two reported by Alexey about error handling and two tooling
fixes by Peter.


This patch (of 4):

Commit cc8d1b097de7 ("mmap: clean up mmap_region() unrolling")
deduplicated the error handling, do the same for the return value of
`map_deny_write_exec`.

Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lore.kernel.org/linux-arm-kernel/[email protected]/ [1]
Fixes: b507808ebce2 ("mm: implement memory-deny-write-execute as a prctl")
Signed-off-by: Joey Gouly <[email protected]>
Reported-by: Alexey Izbyshev <[email protected]>
  Link: https://lore.kernel.org/linux-arm-kernel/[email protected]/
Reviewed-by: Catalin Marinas <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: nd <[email protected]>
Cc: Peter Xu <[email protected]>
Cc: Shuah Khan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions