fs/binfmt_elf.c: extract PROT_* calculations

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There are two places where mapping protections are calculated: one for
executable, another one for interpreter -- take them out.

ELF read and execute permissions are interchanged with Linux PROT_READ
and PROT_EXEC, microoptimizations are welcome!

Link: http://lkml.kernel.org/r/20190417213413.GB26474@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

...

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Alexey Dobriyan 2019-05-14 15:43:51 -07:00 • committed by Linus Torvalds

parent 852643165a

commit d8e7cb39ac

1 changed files with 16 additions and 14 deletions

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fs/binfmt_elf.c

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