Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
pidfs: use guard() for task_lock
Use a guard().
Link: https://patch.msgid.link/20251028-work-coredump-signal-v1-1-ca449b7b7aa0@kernel.org
Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
+1
-2
+1
-2
fs/pidfs.c
+1
-2
fs/pidfs.c
···
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return -ESRCH;
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if ((kinfo.mask & PIDFD_INFO_COREDUMP) && !(kinfo.coredump_mask)) {
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-
task_lock(task);
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+
guard(task_lock)(task);
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if (task->mm) {
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unsigned long flags = __mm_flags_get_dumpable(task->mm);
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kinfo.coredump_mask = pidfs_coredump_mask(flags);
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}
365
-
task_unlock(task);
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}
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/* Unconditionally return identifiers and credentials, the rest only on request */