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Fix NULL pointer check for *buf

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As ternary operator has lower priority then add operation, this check
was not doing what seemed to be expected.

So enclose the test in braces and check for NULL in *buf.
This commit is contained in:
Zdenek Kabelac 2010-12-17 12:37:49 +00:00
parent 22bb69eb99
commit bebfa29b48
2 changed files with 3 additions and 2 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.79 - Version 2.02.79 -
=================================== ===================================
Fix NULL pointer check in error path in clvmd do_command(). (2.02.78)
Fix device.c #include to ensure 64-bit fopen64 use. (2.02.51) Fix device.c #include to ensure 64-bit fopen64 use. (2.02.51)
Create /var/run/lvm directory during clvmd initialisation if missing. Create /var/run/lvm directory during clvmd initialisation if missing.
Use new dm_prepare_selinux_context instead of dm_set_selinux_context. Use new dm_prepare_selinux_context instead of dm_set_selinux_context.

4
daemons/clvmd/clvmd-command.c
View File

@ -168,8 +168,8 @@ int do_command(struct local_client *client, struct clvm_header *msg, int msglen,
/* Check the status of the command and return the error text */ /* Check the status of the command and return the error text */
if (status) { if (status) {
*retlen = 1 + (*buf) ? dm_snprintf(*buf, buflen, "%s", *retlen = 1 + ((*buf) ? dm_snprintf(*buf, buflen, "%s",
strerror(status)) : -1; strerror(status)) : -1);
} }
return status; return status;