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OpenCloudOS-Kernel
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ovl: pass string to ovl_parse_layer() 

[ Upstream commit 7eff3453cbd7e0bfc7524d59694119b5ca844778 ]

So it can be used for parsing the Opt_lowerdir.

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Link: https://lore.kernel.org/r/20240705011510.794025-2-chengzhihao1@huawei.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Stable-dep-of: ca76ac36bb60 ("ovl: fix wrong lowerdir number check for parameter Opt_lowerdir")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christian Brauner 2024-07-05 09:15:08 +08:00 committed by Greg Kroah-Hartman
parent c15123bbe3
commit 0e1c9709d7
1 changed files with 3 additions and 4 deletions
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7
fs/overlayfs/params.c
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@ -369,10 +369,9 @@ static void ovl_add_layer(struct fs_context *fc, enum ovl_opt layer,
}
}
static int ovl_parse_layer(struct fs_context *fc, struct fs_parameter *param,
enum ovl_opt layer)
static int ovl_parse_layer(struct fs_context *fc, const char *layer_name, enum ovl_opt layer)
{
char *name = kstrdup(param->string, GFP_KERNEL);
char *name = kstrdup(layer_name, GFP_KERNEL);
bool upper = (layer == Opt_upperdir || layer == Opt_workdir);
struct path path;
int err;
@ -586,7 +585,7 @@ static int ovl_parse_param(struct fs_context *fc, struct fs_parameter *param)
case Opt_datadir_add:
case Opt_upperdir:
case Opt_workdir:
err = ovl_parse_layer(fc, param, opt);
err = ovl_parse_layer(fc, param->string, opt);
break;
case Opt_default_permissions:
config->default_permissions = true;