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do_last(): fetch directory ->i_mode and ->i_uid before it's too late
authorAl Viro <viro@zeniv.linux.org.uk>
Sun, 26 Jan 2020 14:29:34 +0000 (09:29 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Sun, 26 Jan 2020 14:31:07 +0000 (09:31 -0500)
commitd0cb50185ae942b03c4327be322055d622dc79f6
treee2c9f7a3ad0f2e779d41d05b1c9a7eeec066db39
parent508c8772760d4ef9c1a044519b564710c3684fc5
do_last(): fetch directory ->i_mode and ->i_uid before it's too late

may_create_in_sticky() call is done when we already have dropped the
reference to dir.

Fixes: 30aba6656f61e (namei: allow restricted O_CREAT of FIFOs and regular files)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/namei.c