evie/android_kernel_oneplus_msm8998
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Merge "drivers: media: broadcast: Fix security vulnerability issue"

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Linux Build Service Account 2017-09-09 16:48:38 -07:00 • committed by Gerrit - the friendly Code Review server
commit 05782da9c4
1 changed files with 6 additions and 2 deletions
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8
drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.c
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@ -523,13 +523,17 @@ static ssize_t mpq_sdmx_log_level_write(struct file *fp,
int level; int level;
struct mpq_demux *mpq_demux = fp->private_data; struct mpq_demux *mpq_demux = fp->private_data;
if (count >= 16) if (count == 0 || count >= 16)
return -EINVAL; return -EINVAL;
ret_count = simple_write_to_buffer(user_str, 16, position, user_buffer, memset(user_str, '\0', sizeof(user_str));
ret_count = simple_write_to_buffer(user_str, 15, position, user_buffer,
count); count);
if (ret_count < 0) if (ret_count < 0)
return ret_count; return ret_count;
else if (ret_count == 0)
return -EINVAL;
ret = kstrtoint(user_str, 0, &level); ret = kstrtoint(user_str, 0, &level);
if (ret) if (ret)