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net: caif: add proper error handling
commit a2805dc upstream. caif_enroll_dev() can fail in some cases. Ingnoring these cases can lead to memory leak due to not assigning link_support pointer to anywhere. Fixes: 7c18d22 ("caif: Restructure how link caif link layer enroll") Cc: stable@vger.kernel.org Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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