[qemu-xen staging-4.14] 9p: null terminate fs driver options list

[patchbot@xxxxxxx]

commit f2fd6555c71e0c67c907e2c3d808a4f52acd972f
Author:     Prasad J Pandit <pjp@xxxxxxxxxxxxxxxxx>
AuthorDate: Thu Jul 9 23:28:48 2020 +0530
Commit:     Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
CommitDate: Wed Sep 9 18:51:39 2020 -0500

    9p: null terminate fs driver options list
    
    NULL terminate fs driver options' list, validate_opt() looks for
    a null entry to terminate the loop.
    
    Fixes: aee7f3ecd8b7 ("fsdev: Error out when unsupported option is passed")
    Signed-off-by: Prasad J Pandit <pjp@xxxxxxxxxxxxxxxxx>
    Reviewed-by: Li Qiang <liq3ea@xxxxxxxxx>
    Message-Id: <20200709175848.650400-1-ppandit@xxxxxxxxxx>
    Signed-off-by: Greg Kurz <groug@xxxxxxxx>
    (cherry picked from commit 353b5a91ccf2789b85967d19a8795816b8865562)
    Signed-off-by: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
---
 fsdev/qemu-fsdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fsdev/qemu-fsdev.c b/fsdev/qemu-fsdev.c
index a9e069c0c7..3da64e9f72 100644
--- a/fsdev/qemu-fsdev.c
+++ b/fsdev/qemu-fsdev.c
@@ -78,6 +78,7 @@ static FsDriverTable FsDrivers[] = {
             "throttling.iops-read-max-length",
             "throttling.iops-write-max-length",
             "throttling.iops-size",
+            NULL
         },
     },
     {
@@ -85,6 +86,7 @@ static FsDriverTable FsDrivers[] = {
         .ops = &synth_ops,
         .opts = (const char * []) {
             COMMON_FS_DRIVER_OPTIONS,
+            NULL
         },
     },
     {
@@ -95,6 +97,7 @@ static FsDriverTable FsDrivers[] = {
             "socket",
             "sock_fd",
             "writeout",
+            NULL
         },
     },
 };
--
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