| Message ID | 20180404081756.22962-1-suzuki.katsuhiro@socionext.com |
|---|---|
| State | Accepted |
| Commit | 5c6c9c4830b76d851d38829611b3c3e4be0f5cdf |
| Headers | show |
| Series | media: dvb_frontend: fix wrong cast in compat_ioctl | expand |
diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index 21a7d4b47e1a..e33414975065 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -2089,7 +2089,7 @@ static int dvb_frontend_handle_compat_ioctl(struct file *file, unsigned int cmd, } for (i = 0; i < tvps->num; i++) { err = dtv_property_process_get( - fe, &getp, (struct dtv_property *)tvp + i, file); + fe, &getp, (struct dtv_property *)(tvp + i), file); if (err < 0) { kfree(tvp); return err;
FE_GET_PROPERTY has always failed as following situations: - Use compatible ioctl - The array of 'struct dtv_property' has 2 or more items This patch fixes wrong cast to a pointer 'struct dtv_property' from a pointer of 2nd or after item of 'struct compat_dtv_property' array. Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com> --- drivers/media/dvb-core/dvb_frontend.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.16.3