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vfs: properly handle empty paths

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Matheus
2024-12-13 21:50:00 -03:00
parent 817f44275b
commit 67cd6cafeb
1 changed files with 3 additions and 14 deletions
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kernel-src/fs/vfs.c
+3 -14
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@@ -708,20 +708,8 @@ int vfs_lookup(vnode_t **result, vnode_t *start, char *path, char *lastcomp, int
size_t pathlen = strlen(path); size_t pathlen = strlen(path);
if (pathlen == 0) { if (pathlen == 0)
if (flags & VFS_LOOKUP_PARENT) { return ENOENT;
return ENOENT;
}
vnode_t *r = start;
int e = highestnodeinmp(start, &r);
if (e)
return e;
VOP_HOLD(r);
*result = r;
return 0;
}
if (pathlen > PATHNAME_MAX) if (pathlen > PATHNAME_MAX)
return ENAMETOOLONG; return ENAMETOOLONG;
@@ -744,6 +732,7 @@ int vfs_lookup(vnode_t **result, vnode_t *start, char *path, char *lastcomp, int
vnode_t *next; vnode_t *next;
error = 0; error = 0;
VOP_HOLD(current); VOP_HOLD(current);
VOP_LOCK(current); VOP_LOCK(current);