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| author | Marc Kleine-Budde <mkl@pengutronix.de> | 2007-12-23 20:07:03 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2008-01-02 21:48:31 +0100 |
| commit | 5c2afd89e1e0d2cddbc634890cae377f4392990e (patch) | |
| tree | ce583bfaa34f6eb8e7242a711ff9d95d1c826ef3 /arch/sandbox/lib | |
| parent | 85bacf61f65c766ad3e9ea259402fae6cba5465a (diff) | |
| download | barebox-5c2afd89e1e0d2cddbc634890cae377f4392990e.tar.gz barebox-5c2afd89e1e0d2cddbc634890cae377f4392990e.tar.xz | |
[sandbox] fix read for buffers of zero length
This patch fixes the read function for the linux sandbox if a buffer
of zero length should be read. The error handling introduced in
6574529bb5a233278e9886a93afeed70e9993b54 detects a false positive if the
length is zero.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'arch/sandbox/lib')
| -rw-r--r-- | arch/sandbox/lib/common.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sandbox/lib/common.c b/arch/sandbox/lib/common.c index 5e08a6b197..0924c9bb9a 100644 --- a/arch/sandbox/lib/common.c +++ b/arch/sandbox/lib/common.c @@ -148,6 +148,9 @@ int linux_read(int fd, void *buf, size_t count) { ssize_t ret; + if (count == 0) + return 0; + do { ret = read(fd, buf, count); |