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nsfs: simplify auxstr logic

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There's no need to check whether non-NULL value is being assigned to
auxstr; syscall_exiting_trace does it itself.

* nsfs.c (nsfs_ioctl) <case NS_GET_NSTYPE>: Simply assign result of
xlookup to auxstr if syserror(tcp) is false.
This commit is contained in:
Eugene Syromyatnikov 2018-08-19 19:58:18 +02:00 committed by Dmitry V. Levin
parent 6e7da52286
commit 25a4cafa90
1 changed files with 3 additions and 9 deletions
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12
nsfs.c
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@ -41,15 +41,9 @@ nsfs_ioctl(struct tcb *tcp, unsigned int code, kernel_ulong_t arg)
case NS_GET_NSTYPE:
if (entering(tcp))
return 0;
if (!syserror(tcp)) {
const char *outstr;
outstr = xlookup(setns_types, tcp->u_rval);
if (outstr) {
tcp->auxstr = outstr;
return RVAL_IOCTL_DECODED | RVAL_STR;
}
}
return RVAL_IOCTL_DECODED;
if (!syserror(tcp))
tcp->auxstr = xlookup(setns_types, tcp->u_rval);
return RVAL_IOCTL_DECODED | RVAL_STR;
case NS_GET_OWNER_UID:
if (entering(tcp))
return 0;