Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-12-29 17:25:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

crypto: 842 - remove WARN inside printk

Browse Source 
Remove the WARN() from the beN_to_cpu macro, which is used as a param to a
pr_debug() call.  With a certain kernel config, this printk-in-printk
results in the no_printk() macro trying to recursively call the
no_printk() macro, and since macros can't recursively call themselves
a build error results.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dan Streetman 2015-12-21 12:52:10 -05:00 committed by Herbert Xu
parent 4537992be7
commit 5ca636b986
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
lib/842/842_decompress.c
View File

@ -69,7 +69,7 @@ struct sw842_param {
((s) == 2 ? be16_to_cpu(get_unaligned((__be16 *)d)) : \
(s) == 4 ? be32_to_cpu(get_unaligned((__be32 *)d)) : \
(s) == 8 ? be64_to_cpu(get_unaligned((__be64 *)d)) : \
WARN(1, "pr_debug param err invalid size %x\n", s))
0)
static int next_bits(struct sw842_param *p, u64 *d, u8 n);
@ -202,10 +202,14 @@ static int __do_index(struct sw842_param *p, u8 size, u8 bits, u64 fsize)
return -EINVAL;
}
pr_debug("index%x to %lx off %lx adjoff %lx tot %lx data %lx\n",
size, (unsigned long)index, (unsigned long)(index * size),
(unsigned long)offset, (unsigned long)total,
(unsigned long)beN_to_cpu(&p->ostart[offset], size));
if (size != 2 && size != 4 && size != 8)
WARN(1, "__do_index invalid size %x\n", size);
else
pr_debug("index%x to %lx off %lx adjoff %lx tot %lx data %lx\n",
size, (unsigned long)index,
(unsigned long)(index * size), (unsigned long)offset,
(unsigned long)total,
(unsigned long)beN_to_cpu(&p->ostart[offset], size));
memcpy(p->out, &p->ostart[offset], size);
p->out += size;