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authorK. Y. Srinivasan <kys@microsoft.com>2014-04-09 17:24:16 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-04-16 14:10:36 -0700
commit314672a2c2780212fb770bb02d2fffaa1019823f (patch)
tree779a9ba8840cadcd12fe0c6503b054df61d13aa5
parent177581faf2a5aa71898d223bc47dbc882eeb1488 (diff)
Tools: hv: Handle the case when the target file exists correctly
Return the appropriate error code and handle the case when the target file exists correctly. This fixes a bug. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Cc: <stable@vger.kernel.org> [3.14] Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--include/uapi/linux/hyperv.h1
-rw-r--r--tools/hv/hv_fcopy_daemon.c4
2 files changed, 4 insertions, 1 deletions
diff --git a/include/uapi/linux/hyperv.h b/include/uapi/linux/hyperv.h
index 9beb7c991638..78e4a86030dd 100644
--- a/include/uapi/linux/hyperv.h
+++ b/include/uapi/linux/hyperv.h
@@ -305,6 +305,7 @@ enum hv_kvp_exchg_pool {
#define HV_ERROR_DEVICE_NOT_CONNECTED 0x8007048F
#define HV_INVALIDARG 0x80070057
#define HV_GUID_NOTFOUND 0x80041002
+#define HV_ERROR_ALREADY_EXISTS 0x80070050
#define ADDR_FAMILY_NONE 0x00
#define ADDR_FAMILY_IPV4 0x01
diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c
index 4ecc4fd0bc1b..fba1c75aa484 100644
--- a/tools/hv/hv_fcopy_daemon.c
+++ b/tools/hv/hv_fcopy_daemon.c
@@ -82,8 +82,10 @@ static int hv_start_fcopy(struct hv_start_fcopy *smsg)
if (!access(target_fname, F_OK)) {
syslog(LOG_INFO, "File: %s exists", target_fname);
- if (!smsg->copy_flags & OVER_WRITE)
+ if (!(smsg->copy_flags & OVER_WRITE)) {
+ error = HV_ERROR_ALREADY_EXISTS;
goto done;
+ }
}
target_fd = open(target_fname, O_RDWR | O_CREAT | O_CLOEXEC, 0744);