Hi,
2012/12/8 Ilija Hadzic <ihad...@research.bell-labs.com>:
> 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);
>
The patch looks good to me.
Acked-by: David Chang <dch...@suse.com>
> --
> 1.7.12
>
> --
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