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Staging: unisys: visorutil: Clean up sparse warnings in visorutil code

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Clean up code to get rid of sparse warnings.

Also fixed variable length arrays declared on the stack by removing
visor_hexDumpToBuffer() and using hex_dump_to_buffer() instead.

Signed-off-by: Ken Cox <jkc@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ken Cox 2014-03-17 10:37:11 -05:00 committed by Greg Kroah-Hartman
parent bd5b9b32d2
commit a771033659
4 changed files with 11 additions and 115 deletions
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22
drivers/staging/unisys/include/timskmodutils.h
View file

@ -24,28 +24,6 @@ void *kmalloc_kernel(size_t siz);
void myprintk(const char *myDrvName, const char *devname,
const char *template, ...);
/** Print the hexadecimal contents of a data buffer to a supplied print buffer.
* @param dest the print buffer where text characters will be
* written
* @param destSize the maximum number of bytes that can be written
* to #dest
* @param src the buffer that contains the data that is to be
* hex-dumped
* @param srcLen the number of bytes at #src to be hex-dumped
* @param bytesToDumpPerLine output will be formatted such that at most this
* many of the input data bytes will be represented
* on each line of output
* @return the number of text characters written to #dest
* (not including the trailing '\0' byte)
* @ingroup internal
*/
int visor_hexDumpToBuffer(char *dest,
int destSize,
char *prefix,
char *src,
int srcLen,
int bytesToDumpPerLine);
/*--------------------------------*
*--- GENERAL MESSAGEQ STUFF ---*
*--------------------------------*/

15
drivers/staging/unisys/visorchannel/visorchannel_funcs.c
View file

@ -603,9 +603,9 @@ void
visorchannel_dump_section(VISORCHANNEL *chan, char *s,
int off, int len, struct seq_file *seq)
{
char *buf = NULL, *fmtbuf = NULL;
char *buf, *tbuf, *fmtbuf;
int fmtbufsize = 0;
int i = 0;
int i;
int errcode = 0;
fmtbufsize = 100 * COVQ(len, 16);
@ -621,9 +621,14 @@ visorchannel_dump_section(VISORCHANNEL *chan, char *s,
goto Away;
}
seq_printf(seq, "channel %s:\n", s);
visor_hexDumpToBuffer(fmtbuf, fmtbufsize, " ", buf, len, 16);
for (i = 0; fmtbuf[i] != '\0'; i++)
seq_printf(seq, "%c", fmtbuf[i]);
tbuf = buf;
while (len > 0) {
i = (len < 16) ? len : 16;
hex_dump_to_buffer(tbuf, i, 16, 1, fmtbuf, fmtbufsize, TRUE);
seq_printf(seq, "%s\n", fmtbuf);
tbuf += 16;
len -= 16;
}
Away:
if (buf != NULL) {

2
drivers/staging/unisys/visorutil/procobjecttree.c
View file

@ -149,7 +149,7 @@ MYPROCTYPE *visor_proc_CreateType(struct proc_dir_entry *procDirRoot,
type->nNames = 0;
type->show_property = show_property;
type->procDirRoot = procDirRoot;
if (type->propertyNames != 0)
if (type->propertyNames != NULL)
while (type->propertyNames[type->nProperties] != NULL)
type->nProperties++;
while (type->name[type->nNames] != NULL)

87
drivers/staging/unisys/visorutil/visorkmodutils.c
View file

@ -20,93 +20,6 @@
#define MYDRVNAME "timskmodutils"
BOOL Debug_Malloc_Enabled = FALSE;
/** Print the hexadecimal contents of a data buffer to a supplied print buffer.
* @param dest the print buffer where text characters will
* be written
* @param destSize the maximum number of bytes that can be written
* to #dest
* @param src the buffer that contains the data that is to be
* hex-dumped
* @param srcLen the number of bytes at #src to be hex-dumped
* @param bytesToDumpPerLine output will be formatted such that at most
* this many of the input data bytes will be
* represented on each line of output
* @return the number of text characters written to #dest
* (not including the trailing '\0' byte)
* @ingroup internal
*/
int visor_hexDumpToBuffer(char *dest, int destSize, char *prefix, char *src,
int srcLen, int bytesToDumpPerLine)
{
int i = 0;
int pos = 0;
char printable[bytesToDumpPerLine + 1];
char hex[(bytesToDumpPerLine * 3) + 1];
char *line = NULL;
int linesize = 1000;
int linelen = 0;
int currentlen = 0;
char emptystring[] = "";
char *pfx = prefix;
int baseaddr = 0;
int rc = 0;
line = vmalloc(linesize);
if (line == NULL)
RETINT(currentlen);
if (pfx == NULL || (strlen(pfx) > 50))
pfx = emptystring;
memset(hex, ' ', bytesToDumpPerLine * 3);
hex[bytesToDumpPerLine * 3] = '\0';
memset(printable, ' ', bytesToDumpPerLine);
printable[bytesToDumpPerLine] = '\0';
if (destSize > 0)
dest[0] = '\0';
for (i = 0; i < srcLen; i++) {
pos = i % bytesToDumpPerLine;
if ((pos == 0) && (i > 0)) {
hex[bytesToDumpPerLine*3] = '\0';
linelen = sprintf(line, "%s%-6.6x %s %s\n", pfx,
baseaddr, hex, printable);
if ((currentlen) + (linelen) >= destSize)
RETINT(currentlen);
strcat(dest, line);
currentlen += linelen;
memset(hex, ' ', bytesToDumpPerLine * 3);
memset(printable, ' ', bytesToDumpPerLine);
baseaddr = i;
}
sprintf(hex + (pos * 3), "%-2.2x ", (uint8_t)(src[i]));
*(hex + (pos * 3) + 3) = ' '; /* get rid of null */
if (((uint8_t)(src[i]) >= ' ') && (uint8_t)(src[i]) < 127)
printable[pos] = src[i];
else
printable[pos] = '.';
}
pos = i%bytesToDumpPerLine;
if (i > 0) {
hex[bytesToDumpPerLine * 3] = '\0';
linelen = sprintf(line, "%s%-6.6x %s %s\n",
pfx, baseaddr, hex, printable);
if ((currentlen) + (linelen) >= destSize)
RETINT(currentlen);
strcat(dest, line);
currentlen += linelen;
}
RETINT(currentlen);
Away:
if (line)
vfree(line);
return rc;
}
EXPORT_SYMBOL_GPL(visor_hexDumpToBuffer);
/** Callers to interfaces that set __GFP_NORETRY flag below
* must check for a NULL (error) result as we are telling the
* kernel interface that it is okay to fail.