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author | Mark Brown <broonie@kernel.org> | 2020-08-25 13:01:46 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2020-08-25 13:01:46 +0300 |
commit | 3bec5b6aae830355e786e204b20a7cea38c3a8ed (patch) | |
tree | fd597b87faf55ceb2a207ee94f4feca6276696db /drivers/iommu/omap-iommu-debug.c | |
parent | a577f3456c0a2fac3dee037c483753e6e68f3e49 (diff) | |
parent | d012a7190fc1fd72ed48911e77ca97ba4521bccd (diff) | |
download | linux-3bec5b6aae830355e786e204b20a7cea38c3a8ed.tar.xz |
Merge tag 'v5.9-rc2' into regulator-5.9
Linux 5.9-rc2
Diffstat (limited to 'drivers/iommu/omap-iommu-debug.c')
-rw-r--r-- | drivers/iommu/omap-iommu-debug.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c index 8e19bfa94121..a99afb5d9011 100644 --- a/drivers/iommu/omap-iommu-debug.c +++ b/drivers/iommu/omap-iommu-debug.c @@ -98,8 +98,11 @@ static ssize_t debug_read_regs(struct file *file, char __user *userbuf, mutex_lock(&iommu_debug_lock); bytes = omap_iommu_dump_ctx(obj, p, count); + if (bytes < 0) + goto err; bytes = simple_read_from_buffer(userbuf, count, ppos, buf, bytes); +err: mutex_unlock(&iommu_debug_lock); kfree(buf); |