unfuck binfmt_misc.c (broken by commit e6084d4)
authorAl Viro <viro@zeniv.linux.org.uk>
Wed, 17 Dec 2014 10:29:16 +0000 (05:29 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Wed, 17 Dec 2014 13:27:14 +0000 (08:27 -0500)
commit7d65cf10e3d7747033b83fa18c5f3d2a498f66bc
treee10e627d7292ff6b802cb0cee6abacaedb70b103
parent50062175ffc844b8ff9664024c6416a37ad63c77
unfuck binfmt_misc.c (broken by commit e6084d4)

scanarg(s, del) never returns s; the empty field results in s + 1.
Restore the correct checks, and move NUL-termination into scanarg(),
while we are at it.

Incidentally, mixing "coding style cleanups" (for small values of cleanup)
with functional changes is a Bad Idea(tm)...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/binfmt_misc.c