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filelock: fl_pid field should be signed int

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This field has been unsigned for a very long time, but most users of the
struct file_lock and the file locking internals themselves treat it as a
signed value. Change it to be pid_t (which is a signed int).

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20240131-flsplit-v3-1-c6129007ee8d@kernel.org
Reviewed-by: NeilBrown <neilb@suse.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jeff Layton 2024-01-31 18:01:42 -05:00 committed by Christian Brauner
parent 6613476e22
commit 0e9876d8e8
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1 changed files with 1 additions and 1 deletions
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include/linux/filelock.h
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@ -98,7 +98,7 @@ struct file_lock {
fl_owner_t fl_owner; fl_owner_t fl_owner;
unsigned int fl_flags; unsigned int fl_flags;
unsigned char fl_type; unsigned char fl_type;
unsigned int fl_pid; pid_t fl_pid;
int fl_link_cpu; /* what cpu's list is this on? */ int fl_link_cpu; /* what cpu's list is this on? */
wait_queue_head_t fl_wait; wait_queue_head_t fl_wait;
struct file *fl_file; struct file *fl_file;