diff options
Diffstat (limited to 'sys/kern/kern_exec.c')
| -rw-r--r-- | sys/kern/kern_exec.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index c2e47d4e9bc3..90a4f4c98910 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -98,6 +98,8 @@ struct execve_args { /* * execve() system call. + * + * MPSAFE */ int execve(p, uap) @@ -133,6 +135,8 @@ execve(p, uap) imgp->ps_strings = 0; imgp->auxarg_size = 0; + mtx_lock(&Giant); + /* * Allocate temporary demand zeroed space for argument and * environment strings @@ -445,17 +449,18 @@ exec_fail_dealloc: } if (error == 0) - return (0); + goto done2; exec_fail: if (imgp->vmspace_destroyed) { /* sorry, no more process anymore. exit gracefully */ exit1(p, W_EXITCODE(0, SIGABRT)); /* NOT REACHED */ - return(0); - } else { - return(error); - } + error = 0; + } +done2: + mtx_unlock(&Giant); + return(error); } int |