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bsd-user/freebsd/os-syscall.c: unlock_iovec 

Releases the references to the iovec created by lock_iovec.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2022-01-31 13:40:36 -07:00
parent 1ed771b21c
commit 883808d848
1 changed files with 14 additions and 0 deletions
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14
bsd-user/freebsd/os-syscall.c
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@ -175,6 +175,20 @@ fail2:
return NULL;
}
void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
int count, int copy)
{
struct target_iovec *target_vec;
target_vec = lock_user(VERIFY_READ, target_addr,
count * sizeof(struct target_iovec), 1);
if (target_vec) {
helper_unlock_iovec(target_vec, target_addr, vec, count, copy);
}
g_free(vec);
}
/*
* do_syscall() should always have a single exit point at the end so that
* actions, such as logging of syscall results, can be performed. All errnos