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Dmitry Safonov 38492c5743
gen_init_cpio: Ignore fsync() returning EINVAL on pipes 
The reproducer:
echo | ./usr/gen_init_cpio /dev/stdin > /dev/null

fsync() on a pipe fd returns -EINVAL, which makes gen_init_cpio fail.
Ignore -EINVAL from fsync().

Fixes: ae18b94099 ("gen_init_cpio: support -o <output_file> parameter")
Cc: David Disseldorp <ddiss@suse.de>
Cc: Nicolas Schier <nsc@kernel.org>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Reviewed-by: David Disseldorp <ddiss@suse.de>
Link: https://patch.msgid.link/20251007-gen_init_cpio-pipe-v2-1-b098ab94b58a@arista.com
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
2025-10-07 09:53:05 -07:00
..
dummy-include
include kbuild: uapi: Strip comments before size type check 2025-10-06 11:31:19 -07:00
.gitignore
default_cpio_list
gen_init_cpio.c gen_init_cpio: Ignore fsync() returning EINVAL on pipes 2025-10-07 09:53:05 -07:00
gen_initramfs.sh
initramfs_data.S
Kconfig
Makefile