Patch "ceph: Don't forget the 'up_read(&osdc->map_sem)' if met error." has been added to the 3.10-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

    ceph: Don't forget the 'up_read(&osdc->map_sem)' if met error.

to the 3.10-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:
     ceph-don-t-forget-the-up_read-osdc-map_sem-if-met-error.patch
and it can be found in the queue-3.10 subdirectory.

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


>From 494ddd11be3e2621096bb425eed2886f8e8446d4 Mon Sep 17 00:00:00 2001
From: majianpeng <majianpeng@xxxxxxxxx>
Date: Tue, 16 Jul 2013 19:36:21 +0800
Subject: ceph: Don't forget the 'up_read(&osdc->map_sem)' if met error.

From: majianpeng <majianpeng@xxxxxxxxx>

commit 494ddd11be3e2621096bb425eed2886f8e8446d4 upstream.

Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx>
Reviewed-by: Sage Weil <sage@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/ceph/ioctl.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -196,8 +196,10 @@ static long ceph_ioctl_get_dataloc(struc
 	r = ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, len,
 					  &dl.object_no, &dl.object_offset,
 					  &olen);
-	if (r < 0)
+	if (r < 0) {
+		up_read(&osdc->map_sem);
 		return -EIO;
+	}
 	dl.file_offset -= dl.object_offset;
 	dl.object_size = ceph_file_layout_object_size(ci->i_layout);
 	dl.block_size = ceph_file_layout_su(ci->i_layout);


Patches currently in stable-queue which might be from majianpeng@xxxxxxxxx are

queue-3.10/libceph-unregister-request-in-__map_request-failed-and-nofail-false.patch
queue-3.10/ceph-don-t-forget-the-up_read-osdc-map_sem-if-met-error.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]