diff options
| author | Terje Bergstrom <tbergstrom@nvidia.com> | 2011-11-28 08:33:50 +0200 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-15 11:49:36 +0530 |
| commit | e54c2f08eb44bf8aabd26445788c772e7178bf30 (patch) | |
| tree | 4b1d663c42e426a0914ac8d3bc40da0b99ee2a10 /drivers/video | |
| parent | 5cd533d0f9e1aeff3e064ab764fc498665b683d6 (diff) | |
video: tegra: host: Return EBUSY when mutex busy
ERESTARTSYS can be used only when there is a signal pending to cause a
system call restart. In other cases, we must return a proper error
number to use space.
Change-Id: I018b051ec4cb63a0509762c39b47cc4420a21baa
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/68178
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/tegra/host/nvhost_cpuaccess.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/tegra/host/nvhost_cpuaccess.c b/drivers/video/tegra/host/nvhost_cpuaccess.c index d6043c0a1162..6c876b332001 100644 --- a/drivers/video/tegra/host/nvhost_cpuaccess.c +++ b/drivers/video/tegra/host/nvhost_cpuaccess.c @@ -69,7 +69,7 @@ int nvhost_mutex_try_lock(struct nvhost_cpuaccess *ctx, unsigned int idx) reg = cpuaccess_op(ctx).mutex_try_lock(ctx, idx); if (reg) { nvhost_module_idle(&dev->mod); - return -ERESTARTSYS; + return -EBUSY; } atomic_inc(&ctx->lock_counts[idx]); return 0; |