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- Correctly handle various edge cases in sysfs emulation.

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Sponsored by:	EMC / Isilon Storage Division
This commit is contained in:
Jeff Roberson 2013-08-09 03:24:48 +00:00
parent ba397d0f16
commit 3d71c6cf45
1 changed files with 7 additions and 4 deletions
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11
sys/ofed/include/linux/sysfs.h
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@ -97,11 +97,14 @@ sysctl_handle_attr(SYSCTL_HANDLER_ARGS)
error = -len; error = -len;
if (error != EIO) if (error != EIO)
goto out; goto out;
buf[0] = '\0';
} else if (len) {
len--;
if (len >= PAGE_SIZE)
len = PAGE_SIZE - 1;
/* Trim trailing newline. */
buf[len] = '\0';
} }
/* Trim trailing newline. */
len--;
buf[len] = '\0';
} }
/* Leave one trailing byte to append a newline. */ /* Leave one trailing byte to append a newline. */