[PATCH 5/5] staging: usbip: userspace: suppress a bogus error

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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 <ihadzic@xxxxxxxxxxxxxxxxxxxxxx>
---
 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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