From: Karsten Graul Date: Wed, 14 Oct 2020 17:43:28 +0000 (+0200) Subject: net/smc: fix valid DMBE buffer sizes X-Git-Tag: v4.19.153~138 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0cca96df3732fef913c0f7c48f7118a90db466da;p=users%2Fdwmw2%2Flinux.git 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: c6ba7c9ba43d ("net/smc: add base infrastructure for SMC-D and ISM") Signed-off-by: Karsten Graul Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 2c9baf8bf1189..e7a6c8dcf6b8e 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -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)