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misc: kgdbts: Fix restrict error

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kgdbts current fails when compiled with restrict:

drivers/misc/kgdbts.c: In function ‘configure_kgdbts’:
drivers/misc/kgdbts.c:1070:2: error: ‘strcpy’ source argument is the same as destination [-Werror=restrict]
  strcpy(config, opt);
  ^~~~~~~~~~~~~~~~~~~

As the error says, config is being used in both the source and destination.
Refactor the code to avoid the extra copy and put the parsing closer to
the actual location.

Signed-off-by: Laura Abbott <[email protected]>
Acked-by: Daniel Thompson <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Laura Abbott 2018-09-11 10:44:03 -07:00 • committed by Greg Kroah-Hartman
commit fa0218ef73
1 changed files with 6 additions and 10 deletions
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16
drivers/misc/kgdbts.c
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@ -985,6 +985,12 @@ static void kgdbts_run_tests(void)
int nmi_sleep = 0;
int i;
verbose = 0;
if (strstr(config, "V1"))
verbose = 1;
if (strstr(config, "V2"))
verbose = 2;
ptr = strchr(config, 'F');
if (ptr)
fork_test = simple_strtol(ptr + 1, NULL, 10);
@ -1068,13 +1074,6 @@ static int kgdbts_option_setup(char *opt)
return -ENOSPC;
}
strcpy(config, opt);
verbose = 0;
if (strstr(config, "V1"))
verbose = 1;
if (strstr(config, "V2"))
verbose = 2;
return 0;
}
@ -1086,9 +1085,6 @@ static int configure_kgdbts(void)
if (!strlen(config) || isspace(config[0]))
goto noconfig;
err = kgdbts_option_setup(config);
if (err)
goto noconfig;
final_ack = 0;
run_plant_and_detach_test(1);