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file: fix dup

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Matheus
2024-05-08 15:58:30 -03:00
parent c7eaddd7c1
commit 09e36bdd4e
1 changed files with 4 additions and 5 deletions
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kernel-src/fs/file.c
+4 -5
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@@ -173,6 +173,10 @@ int fd_clone(proc_t *targproc) {
int fd_dup(int oldfd, int newfd, bool exact, int fdflags, int *retfd) {
proc_t *proc = _cpu()->thread->proc;
int err = 0;
if (newfd < 0 || newfd >= FDTABLE_LIMIT)
return EBADF;
MUTEX_ACQUIRE(&proc->fdmutex, false);
file_t *file = oldfd < proc->fdcount ? proc->fd[oldfd].file : NULL;
@@ -182,11 +186,6 @@ int fd_dup(int oldfd, int newfd, bool exact, int fdflags, int *retfd) {
}
if (exact) {
if (newfd >= FDTABLE_LIMIT) {
err = EBADF;
goto cleanup;
}
if (newfd >= proc->fdcount) {
err = growtable(newfd + 1);
if (err)