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Racer5G: system crash when Synaptics shut dowm

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TP:
Solve the problem of system crash when
the synaptics touch is shut down.

Change-Id: I2e483d2a1ff27cb5a2607611843c414dddd87fa9
Reviewed-on: https://gerrit.mot.com/1476476
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jialei Hao <haojl2@motorola.com>
Reviewed-by: Guobin Zhang <zhanggb@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
litong 2019-12-25 10:53:56 +08:00 • committed by litong20
commit 51ea7ea97c
3 changed files with 7 additions and 8 deletions
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5
drivers/input/touchscreen/synaptics_tcm_mmi_v2/synaptics_core.h
View file

@ -94,7 +94,8 @@
#define INIT_BUFFER(buffer, is_clone) \
mutex_init(&buffer.buf_mutex); \
buffer.clone = is_clone
buffer.clone = is_clone; \
buffer.buf_size = 0
#define LOCK_BUFFER(buffer) \
mutex_lock(&buffer.buf_mutex)
@ -104,7 +105,7 @@
#define RELEASE_BUFFER(buffer) \
do { \
if (buffer.clone == false) { \
if (buffer.clone == false && (buffer.buf_size != 0)) { \
kfree(buffer.buf); \
buffer.buf_size = 0; \
buffer.data_length = 0; \

3
drivers/input/touchscreen/synaptics_tcm_mmi_v2/synaptics_recovery.c
View file

@ -1267,9 +1267,8 @@ static int recovery_remove(struct syna_tcm_hcd *tcm_hcd)
kobject_put(recovery_hcd->sysfs_dir);
}
kfree(recovery_hcd->data_buf);
kfree(recovery_hcd->ihex_buf);
vfree(recovery_hcd->ihex_buf);
kfree(recovery_hcd);
recovery_hcd = NULL;

7
drivers/input/touchscreen/synaptics_tcm_mmi_v2/synaptics_reflash.c
View file

@ -2536,14 +2536,13 @@ static int reflash_remove(struct syna_tcm_hcd *tcm_hcd)
flush_workqueue(reflash_hcd->workqueue);
destroy_workqueue(reflash_hcd->workqueue);
#endif
kfree(reflash_hcd->image_buf);
if (reflash_hcd->image_buf)
kfree(reflash_hcd->image_buf);
RELEASE_BUFFER(reflash_hcd->read);
RELEASE_BUFFER(reflash_hcd->resp);
RELEASE_BUFFER(reflash_hcd->out);
kfree(reflash_hcd);
vfree(reflash_hcd);
reflash_hcd = NULL;
exit: