fly316/PX4-Autopilot
7
0
Fork 0
mirror of https://gitee.com/mirrors_PX4/PX4-Autopilot.git synced 2026-07-04 21:00:35 +08:00
Code Issues Packages Projects Releases Wiki Activity

mpu6000: fixed race condition in buffer increment

Browse Source
This commit is contained in:
Andrew Tridgell
2013-09-09 17:16:12 +10:00
committed by Lorenz Meier
parent 37d09f0944
commit 815ccee0e7
1 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/drivers/mpu6000/mpu6000.cpp
+5 -3
View File
@@ -668,9 +668,10 @@ MPU6000::read(struct file *filp, char *buffer, size_t buflen)
_accel_report *arp = reinterpret_cast<_accel_report *>(buffer);
int transferred = 0;
while (count--) {
if (!_accel_reports->get(*arp++))
if (!_accel_reports->get(*arp))
break;
transferred++;
arp++;
}
/* return the number of bytes transferred */
@@ -758,12 +759,13 @@ MPU6000::gyro_read(struct file *filp, char *buffer, size_t buflen)
return -EAGAIN;
/* copy reports out of our buffer to the caller */
_gyro_report *arp = reinterpret_cast<_gyro_report *>(buffer);
_gyro_report *grp = reinterpret_cast<_gyro_report *>(buffer);
int transferred = 0;
while (count--) {
if (!_gyro_reports->get(*arp++))
if (!_gyro_reports->get(*grp))
break;
transferred++;
grp++;
}
/* return the number of bytes transferred */