The patch titled
Subject: printk: fix failure to return error in devkmsg_poll()
has been added to the -mm tree. Its filename is
printk-fix-failure-to-return-error-in-devkmsg_poll.patch
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------------------------------------------------------
From: Nicolas Kaiser <nikai@xxxxxxxxx>
Subject: printk: fix failure to return error in devkmsg_poll()
Error value got overwritten instantly.
Signed-off-by: Nicolas Kaiser <nikai@xxxxxxxxx>
Cc: Kay Sievers <kay.sievers@xxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/printk.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN kernel/printk.c~printk-fix-failure-to-return-error-in-devkmsg_poll kernel/printk.c
--- a/kernel/printk.c~printk-fix-failure-to-return-error-in-devkmsg_poll
+++ a/kernel/printk.c
@@ -601,7 +601,8 @@ static unsigned int devkmsg_poll(struct
/* return error when data has vanished underneath us */
if (user->seq < log_first_seq)
ret = POLLIN|POLLRDNORM|POLLERR|POLLPRI;
- ret = POLLIN|POLLRDNORM;
+ else
+ ret = POLLIN|POLLRDNORM;
}
raw_spin_unlock_irq(&logbuf_lock);
_
Patches currently in -mm which might be from nikai@xxxxxxxxx are
printk-fix-failure-to-return-error-in-devkmsg_poll.patch
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