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libdevmapper, dmeventd: be paranoid about detecting write failure

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* dmeventd/dmeventd.c (_set_oom_adj): When writing to /proc/self/oom_adj,
detect failure even if it's hidden behind ferror.  [Using dm_fclose's
extra ferror test here is probably not needed, since the amount written
is nowhere near BUFSIZ, but use it regardless, for consistency. ]
* lib/fs/libdevmapper.c (do_suspend): Detect fclose failure when
writing to suspend.
This commit is contained in:
Jim Meyering 2007-07-24 14:16:48 +00:00
parent 0c3cd7e292
commit f28fd56f76
2 changed files with 2 additions and 1 deletions
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1
WHATS_NEW_DM
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@ -1,6 +1,7 @@
Version 1.02.22 - Version 1.02.22 -
================================ ================================
dm_fclose: new function dm_fclose: new function
libdevmapper, dmeventd: be paranoid about detecting write failure
Version 1.02.21 - 13th July 2007 Version 1.02.21 - 13th July 2007
================================ ================================

2
daemons/dmeventd/dmeventd.c
View File

@ -1579,7 +1579,7 @@ static int _set_oom_adj(int val)
} }
fprintf(fp, "%i", val); fprintf(fp, "%i", val);
if (fclose(fp)) if (dm_fclose(fp))
perror(OOM_ADJ_FILE ": fclose failed"); perror(OOM_ADJ_FILE ": fclose failed");
return 1; return 1;