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cred: add scoped_with_creds() guards 

and implement scoped_with_kernel_creds() on top of it.

Link: https://patch.msgid.link/20251103-work-creds-guards-simple-v1-1-a3e156839e7f@kernel.org
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2025-11-03 12:26:49 +01:00
parent e0876bde29
commit 019e52e8d3
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1 changed files with 4 additions and 2 deletions
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6
include/linux/cred.h
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@ -192,8 +192,10 @@ DEFINE_CLASS(override_creds,
revert_creds(_T),
override_creds(override_cred), const struct cred *override_cred)
#define scoped_with_kernel_creds() \
scoped_class(override_creds, __UNIQUE_ID(cred), kernel_cred())
#define scoped_with_creds(cred) \
scoped_class(override_creds, __UNIQUE_ID(label), cred)
#define scoped_with_kernel_creds() scoped_with_creds(kernel_cred())
/**
* get_cred_many - Get references on a set of credentials