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PNP: isapnp: remove set but not used variable 'checksum' 

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/pnp/isapnp/core.c: In function ‘isapnp_build_device_list’:
drivers/pnp/isapnp/core.c:777:27: warning: variable ‘checksum’ set
but not used [-Wunused-but-set-variable]

It is never used, and so can be removed.

Signed-off-by: yu kuai <yukuai3@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
yu kuai 2020-01-03 20:17:10 +08:00 committed by Rafael J. Wysocki
parent b3a987b026
commit 04c589f35b
1 changed files with 1 additions and 2 deletions
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3
drivers/pnp/isapnp/core.c
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@ -774,7 +774,7 @@ static unsigned char __init isapnp_checksum(unsigned char *data)
static int __init isapnp_build_device_list(void)
{
int csn;
unsigned char header[9], checksum;
unsigned char header[9];
struct pnp_card *card;
u32 eisa_id;
char id[8];
@ -784,7 +784,6 @@ static int __init isapnp_build_device_list(void)
for (csn = 1; csn <= isapnp_csn_count; csn++) {
isapnp_wake(csn);
isapnp_peek(header, 9);
checksum = isapnp_checksum(header);
eisa_id = header[0] | header[1] << 8 |
header[2] << 16 | header[3] << 24;
pnp_eisa_id_to_string(eisa_id, id);