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| author | Arnd Bergmann <arnd@arndb.de> | 2023-01-27 23:14:00 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-03-20 11:12:37 -0700 |
| commit | 7d31677bb7b1944ac89e9155110dc1b9acbb3895 (patch) | |
| tree | 5135ef21e144fd5567903bfd2777ca3176d7c10e /drivers/gpu/host1x/dev.c | |
| parent | 3d3699bde4b043eea17993e4e76804a8128f0fdb (diff) | |
| download | linux-7d31677bb7b1944ac89e9155110dc1b9acbb3895.tar.gz linux-7d31677bb7b1944ac89e9155110dc1b9acbb3895.tar.bz2 linux-7d31677bb7b1944ac89e9155110dc1b9acbb3895.zip | |
gpu: host1x: fix uninitialized variable use
The error handling for platform_get_irq() failing no longer works after
a recent change, clang now points this out with a warning:
drivers/gpu/host1x/dev.c:520:6: error: variable 'syncpt_irq' is uninitialized when used here [-Werror,-Wuninitialized]
if (syncpt_irq < 0)
^~~~~~~~~~
Fix this by removing the variable and checking the correct error status.
Fixes: 625d4ffb438c ("gpu: host1x: Rewrite syncpoint interrupt handling")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpu/host1x/dev.c')
| -rw-r--r-- | drivers/gpu/host1x/dev.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 4872d183d860..aae2efeef503 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -487,7 +487,6 @@ static int host1x_get_resets(struct host1x *host) static int host1x_probe(struct platform_device *pdev) { struct host1x *host; - int syncpt_irq; int err; host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL); @@ -517,8 +516,8 @@ static int host1x_probe(struct platform_device *pdev) } host->syncpt_irq = platform_get_irq(pdev, 0); - if (syncpt_irq < 0) - return syncpt_irq; + if (host->syncpt_irq < 0) + return host->syncpt_irq; mutex_init(&host->devices_lock); INIT_LIST_HEAD(&host->devices); |