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author | Ingo Molnar <mingo@kernel.org> | 2012-09-05 08:28:36 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2012-09-05 08:29:12 +0200 |
commit | e4390fa632d7c592e68e8106b7daea923ac995f5 (patch) | |
tree | e09863306a611c97e17fc04e92b9dcc38df9b553 /arch | |
parent | perf/hwpb: Invoke __perf_event_disable() if interrupts are already disabled (diff) | |
parent | oprofile, s390: Fix uninitialized memory access when writing to oprofilefs (diff) | |
download | linux-e4390fa632d7c592e68e8106b7daea923ac995f5.tar.xz linux-e4390fa632d7c592e68e8106b7daea923ac995f5.zip |
Merge branch 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/urgent
Pull s390 oprofile fix from Robert Richter.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/s390/oprofile/init.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index a1e9d69a9c90..584b93674ea4 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -169,7 +169,7 @@ static ssize_t hw_interval_write(struct file *file, char const __user *buf, if (*offset) return -EINVAL; retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) + if (retval <= 0) return retval; if (val < oprofile_min_interval) oprofile_hw_interval = oprofile_min_interval; @@ -212,7 +212,7 @@ static ssize_t hwsampler_zero_write(struct file *file, char const __user *buf, return -EINVAL; retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) + if (retval <= 0) return retval; if (val != 0) return -EINVAL; @@ -243,7 +243,7 @@ static ssize_t hwsampler_kernel_write(struct file *file, char const __user *buf, return -EINVAL; retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) + if (retval <= 0) return retval; if (val != 0 && val != 1) @@ -278,7 +278,7 @@ static ssize_t hwsampler_user_write(struct file *file, char const __user *buf, return -EINVAL; retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) + if (retval <= 0) return retval; if (val != 0 && val != 1) @@ -317,7 +317,7 @@ static ssize_t timer_enabled_write(struct file *file, char const __user *buf, return -EINVAL; retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) + if (retval <= 0) return retval; if (val != 0 && val != 1) |