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vfs: fix double release

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Matheus
2025-08-29 17:13:17 -03:00
parent efa2ba5975
commit 5a54949e0e
1 changed files with 7 additions and 11 deletions
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kernel-src/fs/vfs.c
+7 -11
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@@ -238,13 +238,11 @@ int vfs_write_iovec(vnode_t *node, iovec_iterator_t *iovec_iterator, size_t size
*written = 0;
// can't write a size 0 buffer
if (size == 0)
goto leave;
return 0;
// overflow
if (size + offset < offset) {
err = EINVAL;
goto leave;
}
if (size + offset < offset)
return EINVAL;
MUTEX_ACQUIRE(&node->size_lock);
@@ -260,7 +258,7 @@ int vfs_write_iovec(vnode_t *node, iovec_iterator_t *iovec_iterator, size_t size
if (node->type == V_TYPE_REGULAR && newsize) {
// do resize stuff if regular and applicable
VOP_LOCK(node);
err = VOP_RESIZE(node, newsize, &current_thread()->proc->cred);
err = VOP_RESIZE(node, newsize, getcred());
VOP_UNLOCK(node);
if (err)
goto leave;
@@ -358,13 +356,11 @@ int vfs_read_iovec(vnode_t *node, iovec_iterator_t *iovec_iterator, size_t size,
*bytesread = 0;
// can't read 0 bytes from the cache
if (size == 0)
goto leave;
return 0;
// overflow
if (size + offset < offset) {
err = EINVAL;
goto leave;
}
if (size + offset < offset)
return EINVAL;
size_t nodesize = 0;