From 38e316398e4e6338b80223fb5f74415c0513718f Mon Sep 17 00:00:00 2001
From: Christian Brauner <brauner@kernel.org>
Date: Mon, 19 Sep 2022 11:49:14 +0200
Subject: xattr: always us is_posix_acl_xattr() helper
The is_posix_acl_xattr() helper was added in 0c5fd887d2bb ("acl: move
idmapped mount fixup into vfs_{g,s}etxattr()") to remove the open-coded
checks for POSIX ACLs. We missed to update two locations. Switch them to
use the helper.
Cc: Seth Forshee (DigitalOcean) <sforshee@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Reviewed-by: Seth Forshee (DigitalOcean) <sforshee@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
fs/xattr.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
(limited to 'fs')
diff --git a/fs/xattr.c b/fs/xattr.c
index 74fc8e021ebc..61107b6bbed2 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -583,9 +583,7 @@ int setxattr_copy(const char __user *name, struct xattr_ctx *ctx)
static void setxattr_convert(struct user_namespace *mnt_userns,
struct dentry *d, struct xattr_ctx *ctx)
{
- if (ctx->size &&
- ((strcmp(ctx->kname->name, XATTR_NAME_POSIX_ACL_ACCESS) == 0) ||
- (strcmp(ctx->kname->name, XATTR_NAME_POSIX_ACL_DEFAULT) == 0)))
+ if (ctx->size && is_posix_acl_xattr(ctx->kname->name))
posix_acl_fix_xattr_from_user(ctx->kvalue, ctx->size);
}
@@ -701,8 +699,7 @@ do_getxattr(struct user_namespace *mnt_userns, struct dentry *d,
error = vfs_getxattr(mnt_userns, d, kname, ctx->kvalue, ctx->size);
if (error > 0) {
- if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) ||
- (strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0))
+ if (is_posix_acl_xattr(kname))
posix_acl_fix_xattr_to_user(ctx->kvalue, error);
if (ctx->size && copy_to_user(ctx->value, ctx->kvalue, error))
error = -EFAULT;
--
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