From ce4f39ac7c6c30e94f7ff392058928bd98347113 Mon Sep 17 00:00:00 2001 From: Javier Viguera Date: Wed, 18 Jan 2012 01:49:11 +0100 Subject: [PATCH] find_mount_point: fix find_mount_point for char devices This allows to find mount points of 'char' devices such as UBI volumes which otherwise fail for example with 'df' command: / # df Filesystem 1K-blocks Used Available Use% Mounted on /dev/root 72091984 12360980 56068924 18% / devtmpfs 115236 4 115232 0% /dev tmpfs 28672 32 28640 0% /tmp /dev/ubi0_0 360268 18348 341920 5% /tmp/mnt/userfs / # df /dev/ubi0_0 Filesystem 1K-blocks Used Available Use% Mounted on devtmpfs 115236 4 115232 0% /dev Signed-off-by: Javier Viguera Signed-off-by: Denys Vlasenko --- libbb/find_mount_point.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libbb/find_mount_point.c b/libbb/find_mount_point.c index 56637ad92..9676b5f52 100644 --- a/libbb/find_mount_point.c +++ b/libbb/find_mount_point.c @@ -30,7 +30,8 @@ struct mntent* FAST_FUNC find_mount_point(const char *name, int subdir_too) devno_of_name = s.st_dev; block_dev = 0; - if (S_ISBLK(s.st_mode)) { + /* Why S_ISCHR? - UBI volumes use char devices, not block */ + if (S_ISBLK(s.st_mode) || S_ISCHR(s.st_mode)) { devno_of_name = s.st_rdev; block_dev = 1; } -- 2.25.1