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| author | Gustavo A. R. Silva <gustavo@embeddedor.com> | 2018-03-14 13:21:32 -0500 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2018-03-17 05:24:55 +0100 |
| commit | 6fd052665274b4e7570491ba272f2dbb09cbbcd5 (patch) | |
| tree | 7788bae7b00b478cf371b84502d995e6895ca8bd /drivers/edac | |
| parent | 58ca9ac1463d07d24b9fa8befe065192abca6f76 (diff) | |
| download | lwn-6fd052665274b4e7570491ba272f2dbb09cbbcd5.tar.gz lwn-6fd052665274b4e7570491ba272f2dbb09cbbcd5.zip | |
EDAC, sb_edac: Remove variable length array usage
In preparation for enabling -Wvla, remove VLA and replace it with a
fixed-length array instead.
Also, remove max_interleave as it is no longer needed.
Reviewed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180314182131.GA25259@embeddedgus
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/sb_edac.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index 872100215ca0..4a89c8093307 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -110,6 +110,10 @@ static const u32 knl_interleave_list[] = { 0xdc, 0xe4, 0xec, 0xf4, 0xfc, /* 15-19 */ 0x104, 0x10c, 0x114, 0x11c, /* 20-23 */ }; +#define MAX_INTERLEAVE \ + (max_t(unsigned int, ARRAY_SIZE(sbridge_interleave_list), \ + max_t(unsigned int, ARRAY_SIZE(ibridge_interleave_list), \ + ARRAY_SIZE(knl_interleave_list)))) struct interleave_pkg { unsigned char start; @@ -321,7 +325,6 @@ struct sbridge_info { const u32 *interleave_list; const struct interleave_pkg *interleave_pkg; u8 max_sad; - u8 max_interleave; u8 (*get_node_id)(struct sbridge_pvt *pvt); enum mem_type (*get_memory_type)(struct sbridge_pvt *pvt); enum dev_type (*get_width)(struct sbridge_pvt *pvt, u32 mtr); @@ -1899,7 +1902,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci, int n_rir, n_sads, n_tads, sad_way, sck_xch; int sad_interl, idx, base_ch; int interleave_mode, shiftup = 0; - unsigned sad_interleave[pvt->info.max_interleave]; + unsigned int sad_interleave[MAX_INTERLEAVE]; u32 reg, dram_rule; u8 ch_way, sck_way, pkg, sad_ha = 0; u32 tad_offset; @@ -3169,7 +3172,6 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) pvt->info.dram_attr = dram_attr; pvt->info.max_sad = ARRAY_SIZE(ibridge_dram_rule); pvt->info.interleave_list = ibridge_interleave_list; - pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list); pvt->info.interleave_pkg = ibridge_interleave_pkg; pvt->info.get_width = ibridge_get_width; @@ -3194,7 +3196,6 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) pvt->info.dram_attr = dram_attr; pvt->info.max_sad = ARRAY_SIZE(sbridge_dram_rule); pvt->info.interleave_list = sbridge_interleave_list; - pvt->info.max_interleave = ARRAY_SIZE(sbridge_interleave_list); pvt->info.interleave_pkg = sbridge_interleave_pkg; pvt->info.get_width = sbridge_get_width; @@ -3219,7 +3220,6 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) pvt->info.dram_attr = dram_attr; pvt->info.max_sad = ARRAY_SIZE(ibridge_dram_rule); pvt->info.interleave_list = ibridge_interleave_list; - pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list); pvt->info.interleave_pkg = ibridge_interleave_pkg; pvt->info.get_width = ibridge_get_width; @@ -3244,7 +3244,6 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) pvt->info.dram_attr = dram_attr; pvt->info.max_sad = ARRAY_SIZE(ibridge_dram_rule); pvt->info.interleave_list = ibridge_interleave_list; - pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list); pvt->info.interleave_pkg = ibridge_interleave_pkg; pvt->info.get_width = broadwell_get_width; @@ -3269,7 +3268,6 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) pvt->info.dram_attr = dram_attr_knl; pvt->info.max_sad = ARRAY_SIZE(knl_dram_rule); pvt->info.interleave_list = knl_interleave_list; - pvt->info.max_interleave = ARRAY_SIZE(knl_interleave_list); pvt->info.interleave_pkg = ibridge_interleave_pkg; pvt->info.get_width = knl_get_width; |