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Commit bc32d90e authored by Ronnie Sahlberg's avatar Ronnie Sahlberg Committed by Greg Kroah-Hartman
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cifs: fix return value for cifs_listxattr



[ Upstream commit 0c5d6cb6643f48ad3775322f3ebab6c7eb67484e ]

If the application buffer was too small to fit all the names
we would still count the number of bytes and return this for
listxattr. This would then trigger a BUG in usercopy.c

Fix the computation of the size so that we return -ERANGE
correctly when the buffer is too small.

This fixes the kernel BUG for xfstest generic/377

Signed-off-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
Reviewed-by: default avatarAurelien Aptel <aaptel@suse.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 426477d9
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