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link: call VOP_ACCESS

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Matheus
2024-08-24 22:43:18 -03:00
parent 7afed7daee
commit 2190b331e8
1 changed files with 5 additions and 2 deletions
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kernel-src/fs/vfs.c
+5 -2
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@@ -375,6 +375,10 @@ int vfs_link(vnode_t *destref, char *destpath, vnode_t *linkref, char *linkpath,
if (err) if (err)
goto cleanup; goto cleanup;
err = VOP_ACCESS(parent, V_ACCESS_WRITE, getcred());
if (err)
goto cleanup;
if (type == V_TYPE_REGULAR) { if (type == V_TYPE_REGULAR) {
vnode_t *targetnode = NULL; vnode_t *targetnode = NULL;
err = vfs_lookup(&targetnode, destref, destpath, NULL, 0); err = vfs_lookup(&targetnode, destref, destpath, NULL, 0);
@@ -388,9 +392,8 @@ int vfs_link(vnode_t *destref, char *destpath, vnode_t *linkref, char *linkpath,
err = VOP_SYMLINK(parent, component, attr, destpath, getcred()); err = VOP_SYMLINK(parent, component, attr, destpath, getcred());
} }
VOP_RELEASE(parent);
cleanup: cleanup:
VOP_RELEASE(parent);
free(component); free(component);
return err; return err;
} }