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Revert "net: fujitsu: fix a potential NULL pointer dereference"

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[ Upstream commit 5f94eaa4ee ]

This reverts commit 9f4d6358e1.

Because of recent interactions with developers from @umn.edu, all
commits from them have been recently re-reviewed to ensure if they were
correct or not.

Upon review, this commit was found to be incorrect for the reasons
below, so it must be reverted.  It will be fixed up "correctly" in a
later kernel change.

The original change does not change any behavior as the caller of this
function onlyu checks for "== -1" as an error condition so this error is
not handled properly.  Remove this change and it will be fixed up
properly in a later commit.

Cc: Kangjie Lu <kjlu@umn.edu>
Cc: David S. Miller <davem@davemloft.net>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Link: https://lore.kernel.org/r/20210503115736.2104747-15-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Greg Kroah-Hartman 2021-05-03 13:56:41 +02:00
commit b67c3d74ad
1 changed files with 0 additions and 5 deletions
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5
drivers/net/ethernet/fujitsu/fmvj18x_cs.c
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@ -547,11 +547,6 @@ static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
return -1;
base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
if (!base) {
pcmcia_release_window(link, link->resource[2]);
return -ENOMEM;
}
pcmcia_map_mem_page(link, link->resource[2], 0);
/*