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Hongling Zeng
8a220d1c31
When vfs_mkdir() fails, the error code is not extracted from the
returned error pointer. This causes mkdir_error to be reached with
ret=0, which leads to returning ERR_PTR(0) (NULL) instead of a
proper error pointer.
Fix this by extracting the error code from the error pointer when
vfs_mkdir() fails.
Fixes: 406fad7698 ("cachefiles: Fix oops in vfs_mkdir from cachefiles_get_directory")
Signed-off-by: Hongling Zeng <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Christian Brauner <[email protected]>