diff options
| author | Linux Build Service Account <lnxbuild@quicinc.com> | 2017-04-27 07:06:51 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-04-27 07:06:30 -0700 |
| commit | dfa58d63ec3f64031b016f67271e75096a610304 (patch) | |
| tree | 0b41fac94db328d106fc85b6b13590d8dcf5efa9 /drivers | |
| parent | 7428b8e268bfb093e7a428ba5bfbe842a1021327 (diff) | |
| parent | 8f1a77f5da53edd2b5a1c42ddd766712a90109d6 (diff) | |
Merge "msm: gsi: fix IPC low priority logging"
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/platform/msm/gsi/gsi_dbg.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/platform/msm/gsi/gsi_dbg.c b/drivers/platform/msm/gsi/gsi_dbg.c index 717c891788f2..eaf50ca1cea5 100644 --- a/drivers/platform/msm/gsi/gsi_dbg.c +++ b/drivers/platform/msm/gsi/gsi_dbg.c @@ -29,6 +29,7 @@ static struct dentry *dent; static char dbg_buff[4096]; +static void *gsi_ipc_logbuf_low; static void gsi_wq_print_dp_stats(struct work_struct *work); static DECLARE_DELAYED_WORK(gsi_print_dp_stats_work, gsi_wq_print_dp_stats); @@ -764,22 +765,20 @@ static ssize_t gsi_enable_ipc_low(struct file *file, if (kstrtos8(dbg_buff, 0, &option)) return -EFAULT; + mutex_lock(&gsi_ctx->mlock); if (option) { - if (!gsi_ctx->ipc_logbuf_low) { - gsi_ctx->ipc_logbuf_low = + if (!gsi_ipc_logbuf_low) { + gsi_ipc_logbuf_low = ipc_log_context_create(GSI_IPC_LOG_PAGES, "gsi_low", 0); + if (gsi_ipc_logbuf_low == NULL) + TERR("failed to get ipc_logbuf_low\n"); } - - if (gsi_ctx->ipc_logbuf_low == NULL) { - TERR("failed to get ipc_logbuf_low\n"); - return -EFAULT; - } + gsi_ctx->ipc_logbuf_low = gsi_ipc_logbuf_low; } else { - if (gsi_ctx->ipc_logbuf_low) - ipc_log_context_destroy(gsi_ctx->ipc_logbuf_low); gsi_ctx->ipc_logbuf_low = NULL; } + mutex_unlock(&gsi_ctx->mlock); return count; } |