From: Yann E. MORIN Date: Sat, 31 Mar 2018 09:05:48 +0000 (+0200) Subject: fs/cpio: don't extend packages' permissions table X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dec061adce;p=buildroot.git fs/cpio: don't extend packages' permissions table Currently, when we build a cpio filesystem without static devices, we shoehorn the /dev/console node as if it were specified by a package. This means that this device is added for all filesystems as well, not just the cpio. But if we disable cpio, that device is not created for other filesystems. This is not very clean, and may break expectations. Instead, use an explicit mknod as part of the _CMD, as we know it's going to run under fakeroot. This is still visible to all filesystems built after cpio, and not to those built before it, though. [Peter: ensure /dev exists, simplify comment] Signed-off-by: "Yann E. MORIN" Cc: Thomas Petazzoni Cc: Arnout Vandecappelle Signed-off-by: Peter Korsgaard --- diff --git a/fs/cpio/cpio.mk b/fs/cpio/cpio.mk index aa4d947fa5..1f0cafe62f 100644 --- a/fs/cpio/cpio.mk +++ b/fs/cpio/cpio.mk @@ -15,14 +15,16 @@ endef else # devtmpfs does not get automounted when initramfs is used. # Add a pre-init script to mount it before running init +# We must have /dev/console very early, even before /init runs, +# for stdin/stdout/stderr define ROOTFS_CPIO_ADD_INIT if [ ! -e $(TARGET_DIR)/init ]; then \ $(INSTALL) -m 0755 fs/cpio/init $(TARGET_DIR)/init; \ fi + mkdir -p $(TARGET_DIR)/dev + mknod -m 0622 $(TARGET_DIR)/dev/console c 5 1 endef -PACKAGES_PERMISSIONS_TABLE += /dev/console c 622 0 0 5 1 - - -$(sep) - endif # BR2_ROOTFS_DEVICE_CREATION_STATIC ROOTFS_CPIO_PRE_GEN_HOOKS += ROOTFS_CPIO_ADD_INIT