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gpu: nvgpu: fix MISRA 17.7 in hal ltc driver

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Add error check for return value from function nvgpu_timeout_init.

JIRA NVGPU-3422

Change-Id: Ie89f689539086c5990f0856022aa4e5c4099e190
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2119970
GVS: Gerrit_Virtual_Submit
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2019-05-15 14:12:31 -07:00
committed by mobile promotions
parent 6f5cd4027c
commit 51a86f81bb
1 changed files with 11 additions and 2 deletions
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13
drivers/gpu/nvgpu/hal/ltc/ltc_gm20b.c
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@@ -77,6 +77,7 @@ void gm20b_flush_ltc(struct gk20a *g)
u32 ltc_stride = nvgpu_get_litter_value(g, GPU_LIT_LTC_STRIDE);
bool is_clean_pending_set = false;
bool is_invalidate_pending_set = false;
int err;
/* Clean... */
nvgpu_writel_check(g, ltc_ltcs_ltss_tstg_cmgmt1_r(),
@@ -108,7 +109,11 @@ void gm20b_flush_ltc(struct gk20a *g)
*
* So 5ms timeout here should be more than sufficient.
*/
nvgpu_timeout_init(g, &timeout, 5, NVGPU_TIMER_CPU_TIMER);
err = nvgpu_timeout_init(g, &timeout, 5, NVGPU_TIMER_CPU_TIMER);
if (err != 0) {
nvgpu_err(g, "nvgpu_timeout_init failed err=%d", err);
return;
}
do {
int cmgmt1 = ltc_ltc0_ltss_tstg_cmgmt1_r() +
@@ -134,7 +139,11 @@ void gm20b_flush_ltc(struct gk20a *g)
u32 op_pending;
/* Again, 5ms. */
nvgpu_timeout_init(g, &timeout, 5, NVGPU_TIMER_CPU_TIMER);
err = nvgpu_timeout_init(g, &timeout, 5, NVGPU_TIMER_CPU_TIMER);
if (err != 0) {
nvgpu_err(g, "nvgpu_timeout_init failed err=%d", err);
return;
}
do {
int cmgmt0 = ltc_ltc0_ltss_tstg_cmgmt0_r() +