Patch "fs: use correct __poll_t type" has been added to the 6.4-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    fs: use correct __poll_t type

to the 6.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     fs-use-correct-__poll_t-type.patch
and it can be found in the queue-6.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 2697147338a8976d7568a6c429d0c60b86aa526e
Author: Min-Hua Chen <minhuadotchen@xxxxxxxxx>
Date:   Fri May 12 00:46:25 2023 +0800

    fs: use correct __poll_t type
    
    [ Upstream commit 38f1755a3e59a3f88e33030f8e4ee0421de2f05a ]
    
    Fix the following sparse warnings by using __poll_t instead
    of unsigned type.
    
    fs/eventpoll.c:541:9: sparse: warning: restricted __poll_t degrades to integer
    fs/eventfd.c:67:17: sparse: warning: restricted __poll_t degrades to integer
    
    Signed-off-by: Min-Hua Chen <minhuadotchen@xxxxxxxxx>
    Message-Id: <20230511164628.336586-1-minhuadotchen@xxxxxxxxx>
    Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/fs/eventfd.c b/fs/eventfd.c
index 95850a13ce8d0..6c06a527747f2 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -43,7 +43,7 @@ struct eventfd_ctx {
 	int id;
 };
 
-__u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, unsigned mask)
+__u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, __poll_t mask)
 {
 	unsigned long flags;
 
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 266d45c7685b4..4b1b3362f697b 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -536,7 +536,7 @@ static void ep_poll_safewake(struct eventpoll *ep, struct epitem *epi,
 #else
 
 static void ep_poll_safewake(struct eventpoll *ep, struct epitem *epi,
-			     unsigned pollflags)
+			     __poll_t pollflags)
 {
 	wake_up_poll(&ep->poll_wait, EPOLLIN | pollflags);
 }
diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h
index 36a486505b081..98d31cdaca400 100644
--- a/include/linux/eventfd.h
+++ b/include/linux/eventfd.h
@@ -40,7 +40,7 @@ struct file *eventfd_fget(int fd);
 struct eventfd_ctx *eventfd_ctx_fdget(int fd);
 struct eventfd_ctx *eventfd_ctx_fileget(struct file *file);
 __u64 eventfd_signal(struct eventfd_ctx *ctx, __u64 n);
-__u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, unsigned mask);
+__u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, __poll_t mask);
 int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_entry_t *wait,
 				  __u64 *cnt);
 void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt);