If mkdir() of VHCI_STATE_PATH fails because the directory
already exists, that's not an error. This patch fixes
annoying "record connection" errors that would typically
come up on attach.
Signed-off-by: Ilija Hadzic <ihad...@research.bell-labs.com>
---
drivers/staging/usbip/userspace/src/usbip_attach.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/usbip/userspace/src/usbip_attach.c
b/drivers/staging/usbip/userspace/src/usbip_attach.c
index bdf61c0..2da4e44 100644
--- a/drivers/staging/usbip/userspace/src/usbip_attach.c
+++ b/drivers/staging/usbip/userspace/src/usbip_attach.c
@@ -27,6 +27,7 @@
#include <fcntl.h>
#include <getopt.h>
#include <unistd.h>
+#include <errno.h>
#include "vhci_driver.h"
#include "usbip_common.h"
@@ -52,8 +53,18 @@ static int record_connection(char *host, char *port, char
*busid, int rhport)
int ret;
ret = mkdir(VHCI_STATE_PATH, 0700);
- if (ret < 0)
- return -1;
+ if (ret < 0) {
+ /* if VHCI_STATE_PATH exists, then it better be a directory */
+ if (errno == EEXIST) {
+ struct stat s;
+ ret = stat(VHCI_STATE_PATH, &s);
+ if (ret < 0)
+ return -1;
+ if (!(s.st_mode & S_IFDIR))
+ return -1;
+ } else
+ return -1;
+ }
snprintf(path, PATH_MAX, VHCI_STATE_PATH"/port%d", rhport);
--
1.7.12
--
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