net/smc: fix invalid return code in smcd_new_buf_create()

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smc_ism_register_dmb() returns error codes set by the ISM driver which
are not guaranteed to be negative or in the errno range. Such values
would not be handled by ERR_PTR() and finally the return code will be
used as a memory address.
Fix that by using a valid negative errno value with ERR_PTR().

Fixes: 72b7f6c487 ("net/smc: unique reason code for exceeded max dmb count")
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Karsten Graul 2020-10-14 19:43:29 +02:00 • committed by Jakub Kicinski

parent ef12ad4588

commit 6b1bbf94ab

1 changed files with 2 additions and 1 deletions

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net/smc/smc_core.c

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