Messages in this thread Patch in this message |  | | Date | Tue, 10 Jun 2003 15:45:03 +0530 | From | Dipankar Sarma <> | Subject | Re: Misc 2.5 Fixes: cp-user-mpu401 |
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Use copy_to_user to copy mpu_synth_ioctl arg.
sound/oss/mpu401.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN sound/oss/mpu401.c~cp-user-mpu401 sound/oss/mpu401.c --- linux-2.5.70-ds/sound/oss/mpu401.c~cp-user-mpu401 2003-06-08 02:59:48.000000000 +0530 +++ linux-2.5.70-ds-dipankar/sound/oss/mpu401.c 2003-06-08 02:59:48.000000000 +0530 @@ -792,7 +792,8 @@ static int mpu_synth_ioctl(int dev, { case SNDCTL_SYNTH_INFO: - memcpy((&((char *) arg)[0]), (char *) &mpu_synth_info[midi_dev], sizeof(struct synth_info)); + if(copy_to_user((&((char *) arg)[0]), (char *) &mpu_synth_info[midi_dev], sizeof(struct synth_info))) + return -EFAULT; return 0; case SNDCTL_SYNTH_MEMAVL: _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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