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| author | Keir Fraser <keir.fraser@citrix.com> | 2010-06-21 09:55:12 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-06-21 09:55:12 +0100 |
| commit | ff4cc394909125814f2a1e2e8e592b105f5ffc44 (patch) | |
| tree | a6f7722ab19527802b31f13f876e1ae7fab24c90 /tools/libxc/xc_private.c | |
| parent | 636fed5063dc8a5d0c64bb15bfa13616304415bd (diff) | |
| download | xen-ff4cc394909125814f2a1e2e8e592b105f5ffc44.tar.gz xen-ff4cc394909125814f2a1e2e8e592b105f5ffc44.tar.bz2 xen-ff4cc394909125814f2a1e2e8e592b105f5ffc44.zip | |
libxc: Fix Segmentation fault of xend
If /proc/xen/privcmd cannot be opened,
start xend occurs Segmentation fault.
Add check to fix it.
Signed-off-by: Yu Zhiguo <yuzg@cn.fujitsu.com>
Diffstat (limited to 'tools/libxc/xc_private.c')
| -rw-r--r-- | tools/libxc/xc_private.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/libxc/xc_private.c b/tools/libxc/xc_private.c index 9761b98af4..13a990a58c 100644 --- a/tools/libxc/xc_private.c +++ b/tools/libxc/xc_private.c @@ -82,8 +82,10 @@ const xc_error *xc_get_last_error(xc_interface *xch) void xc_clear_last_error(xc_interface *xch) { - xch->last_error.code = XC_ERROR_NONE; - xch->last_error.message[0] = '\0'; + if (xch) { + xch->last_error.code = XC_ERROR_NONE; + xch->last_error.message[0] = '\0'; + } } const char *xc_error_code_to_desc(int code) |