From 4e10213de66aae53c9292038ff6b8b6ae3d1ed6a Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Fri, 6 Oct 2023 20:23:53 +0200 Subject: [PATCH] Revert "zfsinfo: Correct a check for error allocating memory" Original commit is wrong because grub_file_get_device_name() may return NULL if we use implicit $root. Additionally, the grub_errno is guaranteed to be GRUB_ERR_NONE at the beginning of a command. So, everything should work as expected and Coverity report, CID 73668, WRT to this code should be treated as false positive. This reverts commit 7aab03418 (zfsinfo: Correct a check for error allocating memory). Fixes: 7aab03418 (zfsinfo: Correct a check for error allocating memory) Signed-off-by: Vladimir Serbinenko Reviewed-by: Daniel Kiper --- grub-core/fs/zfs/zfsinfo.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/grub-core/fs/zfs/zfsinfo.c b/grub-core/fs/zfs/zfsinfo.c index bf2918018..c8a28acf5 100644 --- a/grub-core/fs/zfs/zfsinfo.c +++ b/grub-core/fs/zfs/zfsinfo.c @@ -358,8 +358,8 @@ grub_cmd_zfs_bootfs (grub_command_t cmd __attribute__ ((unused)), int argc, return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); devname = grub_file_get_device_name (args[0]); - if (devname == NULL) - return GRUB_ERR_OUT_OF_MEMORY; + if (grub_errno) + return grub_errno; dev = grub_device_open (devname); grub_free (devname); -- 2.47.2