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| author | Rusty Russell <rusty@rustcorp.com.au> | 2012-01-13 09:32:16 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2012-01-13 09:32:16 +1030 |
| commit | bafeafeab94b8d3019aac15c2df2ce47b08a6363 (patch) | |
| tree | c121e82aee4f0969cf90dfb2dbad46d06a669696 | |
| parent | e49ce14150c64b29a8dd211df785576fa19a9858 (diff) | |
| download | op-kernel-dev-bafeafeab94b8d3019aac15c2df2ce47b08a6363.zip op-kernel-dev-bafeafeab94b8d3019aac15c2df2ce47b08a6363.tar.gz | |
module_param: check type correctness for module_param_array
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>
| -rw-r--r-- | drivers/media/video/et61x251/et61x251_core.c | 4 | ||||
| -rw-r--r-- | drivers/media/video/sn9c102/sn9c102_core.c | 4 | ||||
| -rw-r--r-- | drivers/mfd/janz-cmodio.c | 2 | ||||
| -rw-r--r-- | drivers/misc/lis3lv02d/lis3lv02d.c | 2 | ||||
| -rw-r--r-- | include/linux/moduleparam.h | 1 |
5 files changed, 8 insertions, 5 deletions
diff --git a/drivers/media/video/et61x251/et61x251_core.c b/drivers/media/video/et61x251/et61x251_core.c index 40f214a..5539f09 100644 --- a/drivers/media/video/et61x251/et61x251_core.c +++ b/drivers/media/video/et61x251/et61x251_core.c @@ -76,8 +76,8 @@ MODULE_PARM_DESC(video_nr, "\none and for every other camera." "\n"); -static short force_munmap[] = {[0 ... ET61X251_MAX_DEVICES-1] = - ET61X251_FORCE_MUNMAP}; +static bool force_munmap[] = {[0 ... ET61X251_MAX_DEVICES-1] = + ET61X251_FORCE_MUNMAP}; module_param_array(force_munmap, bool, NULL, 0444); MODULE_PARM_DESC(force_munmap, "\n<0|1[,...]> Force the application to unmap previously" diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index 7025be1..c2882fa 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -75,8 +75,8 @@ MODULE_PARM_DESC(video_nr, "\none and for every other camera." "\n"); -static short force_munmap[] = {[0 ... SN9C102_MAX_DEVICES-1] = - SN9C102_FORCE_MUNMAP}; +static bool force_munmap[] = {[0 ... SN9C102_MAX_DEVICES-1] = + SN9C102_FORCE_MUNMAP}; module_param_array(force_munmap, bool, NULL, 0444); MODULE_PARM_DESC(force_munmap, " <0|1[,...]>" diff --git a/drivers/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c index 5c2a06a..a9223ed 100644 --- a/drivers/mfd/janz-cmodio.c +++ b/drivers/mfd/janz-cmodio.c @@ -33,7 +33,7 @@ /* Module Parameters */ static unsigned int num_modules = CMODIO_MAX_MODULES; -static unsigned char *modules[CMODIO_MAX_MODULES] = { +static char *modules[CMODIO_MAX_MODULES] = { "empty", "empty", "empty", "empty", }; diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c index 29d12a7..a981e2a 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d.c +++ b/drivers/misc/lis3lv02d/lis3lv02d.c @@ -111,6 +111,8 @@ static struct kernel_param_ops param_ops_axis = { .get = param_get_int, }; +#define param_check_axis(name, p) param_check_int(name, p) + module_param_array_named(axes, lis3_dev.ac.as_array, axis, NULL, 0644); MODULE_PARM_DESC(axes, "Axis-mapping for x,y,z directions"); diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 7939f63..794d4b0 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -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 = ¶m_ops_##type, \ |
