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acct: avoid pointless reference count bump

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file->f_cred already holds a reference count that is stable during the
operation.

Link: https://lore.kernel.org/r/20241125-work-cred-v2-23-68b9d38bb5b2@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2024-11-25 15:10:19 +01:00
parent b690668b65
commit 6256d2377e
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 2 deletions
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kernel/acct.c
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@ -501,7 +501,7 @@ static void do_acct_process(struct bsd_acct_struct *acct)
flim = rlimit(RLIMIT_FSIZE); flim = rlimit(RLIMIT_FSIZE);
current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY;
/* Perform file operations on behalf of whoever enabled accounting */ /* Perform file operations on behalf of whoever enabled accounting */
orig_cred = override_creds(get_new_cred(file->f_cred)); orig_cred = override_creds(file->f_cred);
/* /*
* First check to see if there is enough free_space to continue * First check to see if there is enough free_space to continue
@ -541,7 +541,7 @@ static void do_acct_process(struct bsd_acct_struct *acct)
} }
out: out:
current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim; current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim;
put_cred(revert_creds(orig_cred)); revert_creds(orig_cred);
} }
/** /**