Commit ef12ad45 authored Oct 14, 2020 by Karsten Graul Committed by Jakub Kicinski Oct 15, 2020

net/smc: fix valid DMBE buffer sizes



The SMCD_DMBE_SIZES should include all valid DMBE buffer sizes, so the
correct value is 6 which means 1MB. With 7 the registration of an ISM
buffer would always fail because of the invalid size requested.
Fix that and set the value to 6.

Fixes: c6ba7c9b ("net/smc: add base infrastructure for SMC-D and ISM")
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

parent d535ca13

net/smc/smc_core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1597,7 +1597,7 @@ out:
		return rc;
		}

		#define SMCD_DMBE_SIZES 7 /* 0 -> 16KB, 1 -> 32KB, .. 6 -> 1MB */
		#define SMCD_DMBE_SIZES 6 /* 0 -> 16KB, 1 -> 32KB, .. 6 -> 1MB */

		static struct smc_buf_desc smcd_new_buf_create(struct smc_link_group lgr,
		bool is_dmb, int bufsize)

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