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[PATCH] USB: usblp: 2x up() in usblp_read
author
Domen Puncer
<domen@coderock.org>
Sun, 5 Jun 2005 12:46:16 +0000
(14:46 +0200)
committer
Greg Kroah-Hartman
<gregkh@suse.de>
Mon, 27 Jun 2005 21:44:02 +0000
(14:44 -0700)
up(&usblp->sem) was called twice in a row in this code path.
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/class/usblp.c
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diff --git
a/drivers/usb/class/usblp.c
b/drivers/usb/class/usblp.c
index dff134185c18a94612f313fce8428733360ec18d..7ce43fb8118a3b79e969711606390bdaafee96e5 100644
(file)
--- a/
drivers/usb/class/usblp.c
+++ b/
drivers/usb/class/usblp.c
@@
-753,6
+753,7
@@
static ssize_t usblp_read(struct file *file, char __user *buffer, size_t count,
schedule();
} else {
set_current_state(TASK_RUNNING);
+ down(&usblp->sem);
break;
}
down (&usblp->sem);