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Commit 0cca96df authored by Karsten Graul's avatar Karsten Graul Committed by Greg Kroah-Hartman
Browse files

net/smc: fix valid DMBE buffer sizes 



[ Upstream commit ef12ad45880b696eb993d86c481ca891836ab593 ]

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: default avatarKarsten Graul <kgraul@linux.ibm.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6b00f032

net/smc/smc_core.c

+1 −1
Original line number Diff line number Diff line
@@ -770,7 +770,7 @@ static struct smc_buf_desc *smcr_new_buf_create(struct smc_link_group *lgr, 
	return buf_desc;

}



#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)