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media: tuners: reduce stack usage in mxl5005s_reconfigure 

Fix the warning: [-Werror=-Wframe-larger-than=]

drivers/media/tuners/mxl5005s.c: In function 'mxl5005s_reconfigure':
drivers/media/tuners/mxl5005s.c:3953:1:
warning: the frame size of 1152 bytes is larger than 1024 bytes

Signed-off-by: Bixuan Cui <cuibixuan@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Bixuan Cui 2020-07-16 19:17:42 +02:00 committed by Mauro Carvalho Chehab
parent 965045caa1
commit f0cf998550
1 changed files with 17 additions and 3 deletions
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20
drivers/media/tuners/mxl5005s.c
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@ -3926,15 +3926,26 @@ static int mxl5005s_reconfigure(struct dvb_frontend *fe, u32 mod_type,
u32 bandwidth)
{
struct mxl5005s_state *state = fe->tuner_priv;
u8 AddrTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
u8 ByteTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
u8 *AddrTable;
u8 *ByteTable;
int TableLen;
dprintk(1, "%s(type=%d, bw=%d)\n", __func__, mod_type, bandwidth);
mxl5005s_reset(fe);
AddrTable = kcalloc(MXL5005S_REG_WRITING_TABLE_LEN_MAX, sizeof(u8),
GFP_KERNEL);
if (!AddrTable)
return -ENOMEM;
ByteTable = kcalloc(MXL5005S_REG_WRITING_TABLE_LEN_MAX, sizeof(u8),
GFP_KERNEL);
if (!ByteTable) {
kfree(AddrTable);
return -ENOMEM;
}
/* Tuner initialization stage 0 */
MXL_GetMasterControl(ByteTable, MC_SYNTH_RESET);
AddrTable[0] = MASTER_CONTROL_ADDR;
@ -3949,6 +3960,9 @@ static int mxl5005s_reconfigure(struct dvb_frontend *fe, u32 mod_type,
mxl5005s_writeregs(fe, AddrTable, ByteTable, TableLen);
kfree(AddrTable);
kfree(ByteTable);
return 0;
}