From 086af23e683c62d24055b46a6b93de78825a5219 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=D0=BD=D0=B0=D0=B1?= Date: Sun, 17 Apr 2022 15:00:15 +0200 Subject: [PATCH] linux: libshare/smb: cache smb_available MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reviewed-by: Brian Behlendorf Signed-off-by: Ahelenia Ziemiańska Closes #13165 --- lib/libshare/os/linux/smb.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/lib/libshare/os/linux/smb.c b/lib/libshare/os/linux/smb.c index 1f32d0e10..2a2b32bc1 100644 --- a/lib/libshare/os/linux/smb.c +++ b/lib/libshare/os/linux/smb.c @@ -378,14 +378,18 @@ const sa_fstype_t libshare_smb_type = { static boolean_t smb_available(void) { - struct stat statbuf; + static int avail; - if (lstat(SHARE_DIR, &statbuf) != 0 || - !S_ISDIR(statbuf.st_mode)) - return (B_FALSE); + if (!avail) { + struct stat statbuf; - if (access(NET_CMD_PATH, F_OK) != 0) - return (B_FALSE); + if (access(NET_CMD_PATH, F_OK) != 0 || + lstat(SHARE_DIR, &statbuf) != 0 || + !S_ISDIR(statbuf.st_mode)) + avail = -1; + else + avail = 1; + } - return (B_TRUE); + return (avail == 1); }