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4cc73f63aa
make write_behind to return 0 if a empty file is written, to
distinguish a true writing failure[on which the write_behind
will return -1], then the annoying wrong log will disappear.
____
|Error code 3: Disk full or allocation exceeded
-----
Signed-off-by: Roy.Li <rongqing.li@windriver.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>
40 lines
1.0 KiB
Diff
40 lines
1.0 KiB
Diff
[PATCH] fix the empty file writting
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Upstream-Status: pending
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With the feature that checking the disk filled up, the return
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value of function write_behind was checked and used to detect
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the disk status. While for empty file, without data being
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written, this function will return -1 thus the disk filled up
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error was miss-raised.
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make write_behind to return 0 if written file is empty, to fix
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the this bug.
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Signed-off-by: Roy.Li <rongqing.li@windriver.com>
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---
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common/tftpsubs.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/common/tftpsubs.c b/common/tftpsubs.c
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index b4ea3f2..9f6cafc 100644
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--- a/common/tftpsubs.c
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+++ b/common/tftpsubs.c
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@@ -198,9 +198,12 @@ int write_behind(FILE * file, int convert)
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nextone = !nextone; /* incr for next time */
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buf = dp->th_data;
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- if (count <= 0)
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+ if (count < 0)
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return -1; /* nak logic? */
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+ if (count == 0)
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+ return 0;
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+
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if (convert == 0)
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return write(fileno(file), buf, count);
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--
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1.9.1
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