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authorNicolas Kaiser <[email protected]>2013-04-29 16:17:20 -0700
committerLinus Torvalds <[email protected]>2013-04-29 18:28:14 -0700
commit0a285317daf785424c884d1a7548705c60bc42cc (patch)
tree196895c36f8252f84bbc6b3b6d776f656267d5a0
parent1b2c289b4f9018f4bd54d22ab54aaeda9181cd2a (diff)
printk: fix failure to return error in devkmsg_poll()
Error value got overwritten instantly. Signed-off-by: Nicolas Kaiser <[email protected]> Cc: Kay Sievers <[email protected]> Cc: Greg KH <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--kernel/printk.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index 1c8ca176458f..376914e2869d 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -601,7 +601,8 @@ static unsigned int devkmsg_poll(struct file *file, poll_table *wait)
/* 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);