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- Message-Id: <07010a2ad79559c412949f0005dbe3cb03d8416e.1498504812.git.ps@pks.im>
- From: Patrick Steinhardt <ps@pks.im>
- Date: Mon, 26 Jun 2017 21:20:45 +0200
- Subject: [PATCH] 9pfs: include <linux/limits.h> for XATTR_SIZE_MAX
- The function `v9fs_xattrcreate` makes use of the define `XATTR_SIZE_MAX`
- to reject attempts of creating xattrs with an invalid size, which is
- defined in <linux/limits.h>. On glibc-based systems, this header is
- indirectly included via <limits.h>, <bits/posix1_lim.h>,
- <bitts/local_lim.h>, but on other platforms this is not guaranteed due
- to not being part of the POSIX standard. One examples are systems based
- on musl libc, which do not include the <linux/limits.h> indirectly,
- which leads to `XATTR_SIZE_MAX` being undefined.
- Fix this error by directly include <linux/limits.h>. As the 9P fs code
- is being Linux-based either way, we can simply do so without breaking
- other platforms. This enables building 9pfs on musl-based systems.
- Signed-off-by: Patrick Steinhardt <ps@pks.im>
- [ Changes by AF
- - Apply to the QEMU tree inside of Xen
- ]
- Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
- ---
- Upstream Status: Pending review and acceptance
- tools/qemu-xen/hw/9pfs/9p.c | 1 +
- 1 file changed, 1 insertion(+)
- diff --git a/tools/qemu-xen/hw/9pfs/9p.c b/tools/qemu-xen/hw/9pfs/9p.c
- index 96d2683348..48cd558e96 100644
- --- a/tools/qemu-xen/hw/9pfs/9p.c
- +++ b/tools/qemu-xen/hw/9pfs/9p.c
- @@ -13,6 +13,7 @@
-
- #include "qemu/osdep.h"
- #include <glib/gprintf.h>
- +#include <linux/limits.h>
- #include "hw/virtio/virtio.h"
- #include "qapi/error.h"
- #include "qemu/error-report.h"
- --
- 2.13.2
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