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module_param: check type correctness for module_param_array

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module_param_array(), unlike its non-array cousins, didn't check the type
of the variable.  Fixing this found two bugs.

Cc: Luca Risolia <luca.risolia@studio.unibo.it>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Cc: linux-media@vger.kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2012-01-13 09:32:16 +10:30
parent e49ce14150
commit bafeafeab9
5 changed files with 8 additions and 5 deletions
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1
include/linux/moduleparam.h
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@ -395,6 +395,7 @@ extern int param_get_invbool(char *buffer, const struct kernel_param *kp);
* module_param_named() for why this might be necessary.
*/
#define module_param_array_named(name, array, type, nump, perm) \
param_check_##type(name, &(array)[0]); \
static const struct kparam_array __param_arr_##name \
= { .max = ARRAY_SIZE(array), .num = nump, \
.ops = &param_ops_##type, \