diff options
| author | Skylar Chang <chiaweic@codeaurora.org> | 2016-02-19 16:51:27 -0800 |
|---|---|---|
| committer | Jeevan Shriram <jshriram@codeaurora.org> | 2016-04-05 11:37:20 -0700 |
| commit | 9901a1d34025face89be5f6248b69689079b0de0 (patch) | |
| tree | 6c55a996144318778dfc1334f27de5453e950a6b | |
| parent | b471d17decb9bee804e0f8f53c46e9d8188b20b1 (diff) | |
msm: rmnet_ipa3: fix the crash issue
Seeing rmnet_ipa3 causing the device
crashed when ipa3 not initialized. The
fix is to add the check when rmnet_ipa
try to register the
ipa3_register_ipa_ready_cb.
Change-Id: I55618784befc61e37e68d3b8d8c7c5c30f45e4fc
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>
| -rw-r--r-- | drivers/platform/msm/ipa/ipa_v3/ipa.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa.c b/drivers/platform/msm/ipa/ipa_v3/ipa.c index 30e554b648f5..863053c1c468 100644 --- a/drivers/platform/msm/ipa/ipa_v3/ipa.c +++ b/drivers/platform/msm/ipa/ipa_v3/ipa.c @@ -5203,6 +5203,11 @@ int ipa3_register_ipa_ready_cb(void (*ipa_ready_cb)(void *), void *user_data) { struct ipa3_ready_cb_info *cb_info = NULL; + /* check ipa3_ctx existed or not */ + if (!ipa3_ctx) { + IPADBG("IPA driver haven't initialized\n"); + return -ENXIO; + } mutex_lock(&ipa3_ctx->lock); if (ipa3_ctx->ipa_initialization_complete) { mutex_unlock(&ipa3_ctx->lock); |